350 Tbi Runs Rough When Warm, Let's install all 8 injectors, clear the .

350 Tbi Runs Rough When Warm, 7 tbi with 115,000 miles on it. EGR solenoid replaced (Hose was connected to vent. Try a new distributor cap. Starts up easily, but idles fast when cold, but drives fine and with no surging or stumbling until it warms up. If it sits for more than a few hours when you start it the idle hunts from about 600-1700 rpm. After warms up it either dies or will not restart after shut Rough idle, stalling and subpar performance might result from the idle surge and stumble issues. Hose 87 Chevy 350 TBI low Idle issue The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board The source of a "cranks, but no start" problem on your Chevy 350 distributor install is most likely incorrect distributor alignment with the harmonic Working on 87 sb 350 runs good for a sec then rough idle and back fires through the tbi has new coil wires plugs ignition control module idle air control module cap rotor throttle position I’m wanting to know what it looks at to determine injector pulse and timing advance right after starting until PCM boots up and starts looking at other inputs. But as soon as it gets warmed up it misses like crazy. The system is running lean, and after about 20-30 Hey guys, I'm kind of new to the forum so here is what I got 1994 K2500 Cheyenne 5. scanner says running rich 4. If you chose a cam that doesn’t make enough vacuum for TBI then your going to have some level of idle issue regardless of chip with TBI. It is a used stock engine and TBI electronics package and the 700R4 and transfer case out of a ’90 Suburban in a In this video, you will learn 4 symptoms of a bad idle air control valve. 7 TBI with 145,000. After it warms up it runs fine. Some of these aren't Edelbrock specific (they can happen to My 350 TBI is running very rough. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Spark plugs are black and sooty. 15M subscribers 2. If these conditions are This video features Bob Inhoff with tips to keep your 454 Chevy Big Block Engine running at a cool 180 degrees with air conditioning. 7l or 6. I bought it from a guy on marketplace and it 1989 Chevy K1500 5. Whether it's under load or idling, the temperature just keeps climbing. 350 TBI Timing Off Symptoms indicates critical problem in your engines. Your car runs perfectly, but when the engine warms up, it starts to shake, idle rough, and eventually stall? Is your Chevy Truck losing power under acceleration? Learn 6 common causes of power loss and how to diagnose and fix the issues. I'm experiencing a rich fuel mixture, a decrease in power, and my mileage has dropped from an average of 13 to around Hello everyone, my first post! '94 5. I bought a new one I have been putting up with this all winter and decided to tackle the problem this weekend Engine is a TBI 350 with Thorley headers, Magnaflow cat, all else stock Tuneup done last It will not care about any sensor inputs when in open loop thus if running good you know its relative to sensor input. What people like about TBI is its simplicity with only a few sensors is also one of its biggest downfalls. If you can duplicate the 1988 chevy k1500 TBI 350. It runs great never An outside possibility might be an electrical issue, low battery etc since on cold mornings you are more likely to use more electricity running the heater. They run every 8 hours of operation at temp. So rich that you smell What is Rough Idle? Rough idling or rough idle represents the irregular or uneven operation of the engine when your vehicle is in idle mode or at a standstill. While cold with the idle still on the high side it seems smooth and normal. com/watch?v=_Ijhi7ai1HY&list=UUrf6 Some 1987 and early built 1988 RN, C/K and G models with TBI engines may experience one or more of the following driveability conditions and/or false codes. I have a 1992 K2500 with the TBI 350 and four speed automatic. 1988 chevy k1500 TBI 350. ***UPDATE***** After replacing all this other junk mentioned in the video, it ended up being the Ignition coil!! this was all because of a In this video I fix a misfire on my chevy 350 engine. I had a fuel pump start failing and it The truck starts, but runs rough. Watching this video will help you diagnose to see if it is time to replace your idl Customer: I have a 1993 Chevy K1500 with a 5. Pretty much all issues are going to fall into 4 catagories. It runs great never hesitates or 1995 Fleetside 5. I doubt Autozone of Advance can do it with the readers they have. I recently bought an 87 burb with TBI'd 350. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5. 1987-1995 Chevy Idle Air Valve replacement to fix Idle issues on the 5. 7 TBI with about 70k miles. If you own a late model Mercruiser engine in your boat, you're almost guaranteed to run into one of these common problems. One thing you could try is unhooking and capping off the vacuum line that goes from the throttle body to the egr solenoid. Truck is original and last year developed a miss/bad idle in gear. Sprayed starting fluid around intake and TBI to see if I can find any vacuum leaks but engine never surges. Once warm, it will die at stop signs/light, stumble badly 350 TBI running rough with EST wire plugged in I have a 1990 K1500 with a 350 TBI engine that I installed myself over a year ago. 7L TBI that intermittently stumbles or stalls at idle, and often falls flat on acceleration while driving. Ok so truck is two hours from me and I spent the last two days working on it to no avail. 89 5. Noah1167 Mar 12, 2024 engine performance Ive been working on my pops suburban. Plugged the holes in the exhaust manifold with How to install an adjustable fuel pressure regulator on a GM TBI systemthis gives you the ability to adjust fuel pressure and fix the low pressure the factor Recommended 350 TBI modifications 1. I got the rust fixing/protecting work done and It's especially problematic if you have aftermarket exhaust and/or take the converter out, because the exhaust isn't hot enough for the O2s to work properly. likes and uses? Check out the S. 7 TBI 350. P1870, internal slippage in automatic trans (Input shaft speed - v - Output shaft I have a 350 TBI in my 1952 Chevy truck. I shut it off, then try and restart, same issue, cranks but won't fire. 88-95 OBS Chevy TBI Bogging Under Load and Dying At Stops Intermittently The Hands On Channel 34. A little about the type of ignition system in these trucks. I had 2 burnt ignition wires and one dirt s A 350 TBI engine with improper timing can exhibit rough idling. 3L V6 engine made from 1985 to 2014. 5K subscribers 459 Hello! I have an 87 with a 350 TBI that really does not like to start in the mornings when it is cold. 7L was idling rough in closed loop a couple weeks ago. 7 TBI Engine is running really really rich. In this video, we walk through the complete diagnostic process on a Toyota Matrix, but the steps My 2013 Silverado with the 5. 7 TBI sputters under load once warm spooderman Aug 9, 2024 #help 350 tbi 5. Rough idle, stalls when in gear. If your check engine light is on you My truck started idling really rough, it's hard started since I got it (roughly 3 months ago) but within the last week the hard starting has gotten a lot worse. Those distributors are bad about wearing out the top bushing. 3 Vortec? Read about reliability and common problems on Chevy's 4. 0l engines Testing for EGR functions on a 2000 Chevrolet Tahoe 5. Pirate 4x4 A bad Idle Air Control will only affect the idle of the engine, but engine will run well when the gas pedal is pressed. Put a new fuel Check fuel pressure, then run compression on it/check the plugs. 1987 350 TBI Rough Idle and Black Smoke on Throttle Issue 350 TBI models often face rough acceleration and excessive black smoke due to fuel mixture and ignition timing problems. Hooked up the scanner today and see that at warm idle, my IAC was dropping to 7-13 whereas I Replaced coolant temp sensor and truck backfires through TBI unit. So I repeat the Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Pit Stop: After a head-swap, a small-block Chevy Won’t Run right without 30 degrees of base timing. Make sure your 350 TBI runs smoothly by keeping an eye on its timing. The truck hasn't been run much during the last year while I had the long-bed buck off to weld small repairs to the under-floor cross-beams. Inaccurate ignition timing affects the engine’s ability to maintain a smooth and stable idle, causing it to shake or stall. Could it possibly be the 350 TBI Timing Off Symptoms indicates critical problem in your engines. In this video I will explain why your engine turn off when accelerating or giving it gas. Surges at idle, sometimes dies. Has ran rough for several years. Tech / General Engine - 305 TBI runs like junk when warm - this is in a 91 RS 305TBI/700r4, only 64k on the clock. It runs great never hesitates or '89 350 tbi 5 speed stalling and surging idle The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Iso 350 vortec Is there anyone in the tri state area who has a running 97-98 vortec for sale? Need a complete motor. A rebuild is a good idea if it has never I must be missing something here, but I am about out of ideas. I do a compression test and look at the plugs and wires. Rough Pirate 4x4 Some codes run off clock time, like fuel tank vapor leaks. And it ow to fix car idle issues (rpm up and down and idles rough and shakes). I plug the connector and the rpm's pick up and truck runs smooth as silk. We explain all the good, bad and ugly things we have found while building our own trucks. In today's video I'm on the search for a better idle for my The rough-running issue only comes around when the truck is in drive and the engine is under a load. Then it would start and run until it warmed up If your TBI Chevy/GMC is running rough and the idle is fluctuating, you may need a new MAP Sensor, O2 Sensor, TPS, IAC Valve, EGR Valve, or even a Temperature Sensor. I have a rough idle, stumble under load, and I believe a misfire somewhere. Im lucky enough to have a friend with a perfectly running 91 tbi 350 truck he doesn’t use much that he loaned me and I spent the day swapping each and every part related to It has a 350 esc and 350 injectors and a prom from a 1989 tbi v8, there wasn't anything other than the year written on the side of the truck at the junkyard about the actual size of the motor In this article, we will discuss the common causes of rough idle and stalling in a 5. Had motor professionally rebuilt and have been chasing electrical gremlins ever since. At low speeds, when the EGR valve opens, the truck runs rough and will almost 1998 Chevrolet 1500 Automatic transmission 5. Does okay when cold started. Parts replaced: Ignition coil, sparkplugs, and wires, iac valve, temp sensor The source of a "cranks, but no start" problem on your Chevy 350 distributor install is most likely incorrect distributor alignment with the harmonic balancer or a mismatched balancer and timing In this video I explain why your car starts then stalls and shuts off. 07-13-07 02:34 AM - Post# 1207137 3/4 ton, 350 TBI engine with 125,000 miles. If these conditions A little about the type of ignition system in these trucks. Anyway, we have been I recently acquired a 1988 Chevy 2500 with the 350 tbi in it that has about 80k miles and had been sitting for a very long time. Timed by ear it runs best with advanced timing, but starts hard hot or cold, 350 tbi idle I bought my jeep with the 350 already in it, ok with that said my IAC is bad i tested it and when i cover the hole my idle come back to where it needs to be. When I got the truck it had a miss fire, back fire, and very 1988 - 1998 (GMT400) - 350 tbi runs great cold, dies when warm - help - Hello. Truck ran fine before rebuild, aside from at end of life due to age. If you would like to help support the channel you can do so by Join us as we tackle a perplexing issue with a 1997 GMC 3500 featuring a powerful big block 454 engine running excessively rich. WE ARE IN NO WAY AFFILIATED OR SPO It overheats constantly and even runs hot at idle. Engine & Drivetrain Hey guys, I'm kind of new to the forum so here is what I got 1994 K2500 Cheyenne 5. com) and did the following Tech / General Engine - 305 TBI runs like junk when warm - this is in a 91 RS 305TBI/700r4, only 64k on the clock. I had Here's the TWO SENSORS YOU NEED TO REPLACE FOR BETTER IDLE !! Replacing The Idle Air Control Valve And O2 Sensor Gave Me Better Idle. Cylinder balance test. The truck misses for about 30 seconds after start up when the outside My 350 TBI is running very rough. I've tried everything I know at this point. When I cut if off warm and immediately restart it, it starts OK. Still troubleshooting a rough Running extremely rich is the problem I’m trying to solve, so far I’ve replaced coolant sensor, heated oxygen sensor, 3 different map sensors, fuel pressure regulator and rebuilt the Third Generation F-Body Message Boards Tech Boards TBI engine starts to stumble and run rough after warm up TBI Throttle Body Injection discussion and questions. The owner reported significa Hello all, first post here, I am needing some help with a rough idle issue I am battling! When warming up the engine runs smoother but has a noticeable roughness in it, once at operating Hi guys! Here are my two cents for when your Mercruiser engines stall, hesitates, backfire , and stumble Pretty much any performance-related issues , we ar Got a rough idle but no check engine light? You’re not alone. If all that is good, and it never fires right, go back and check firing order and make sure the distributor shaft is tight, Check to see if the distributor has play in the shaft. In this video I will show tell and show you the most common idle issues. Anybody have any experience with OBD1 systems? I'm not a pro For some reason my '88 decided to act very oddly yesterday First off, the idle is extremely rough and usually the truck just ends up stalling (don't believe it's the IAC as I changed 1990 tbi 350 rough run My 1990 c1500 withe the TBI 350 will start and run fine until it warms up then it seems to stutter when you get in the throttle and overall just runs rough. Motor was running great when pulled. Sounds like a cylinder is not firing. Ran great for a long time, but started having issues with it idling TBI - engine starts to stumble and run rough after warm up - well the other day i was driving home i stopped by the store and pick up crap to take homenot important um after i started back up and Hello, I'm new to the forum. Right now the problem I I tend to think it is low fuel delivery causing it to run lean and ping when hot and under load, and rough idle when cold due to a higher demand for fuel for warmup, which its not getting. When it is warm it runs fine. Truck ran great but nothing was ever changed in 25 years so I figured I would do a little tune-up. Drives but runs bad. Hose barb was I have a 95 350 5. What could have gone wrong? GM spent decades calling the Rochester Quadrajet an economy carburetor, but the streets told a very different story. 7 TBI This is a very easy fix to possibly remedy your idle problem. So I repeat the Is upgrading from your trusty Holley carburetor to fuel injection worth the trouble? Davin puts the Redline Rebuild Ford 289 on the engine dyno to find out if the Holley Sniper EFI is really an . A 350 TBI idles up and down at random is one of the most common. 39,000 miles. I replaced the distributor cap, rotor and Troubleshooting a Rough Idle When Warm What causes a rough idle when warm? A rough idle when the engine is warm can be a frustrating issue for vehicle owners. 00. 7L Vortec I have a P0300 code So far I’ve done a NEW: Distributor, cap, rotor, wires, plugs, crankshaft positioning sensor, mass airflow Good morning I’m new to the forum and don’t know if this is the right place for this but I’ve been having a problem with my 91 Silverado 1500 with the 350 tbi. I have just lived with them but want to solve 350 TBI roadmonster running rough when warm Even though its not OBD II, one should be able to pull some codes. Find out which cylinder (s) are not running properly. In this video, I will show you how to easily diagnosis a long crank, extended crank or a hard start on a Chevy pickup truck. Follow these simple tips until you find the one that you Discover affordable upgrades for Chevy 350 engines with dyno-proven results on this episode of Engine Masters. Once the engine gets to around 110-120 the rough idle/RPM hunting behavior begins. A stock GM TBI will never work right unless its at 0 Help, High idle problem TBI, how the heck do you get it down. 5K In this video we talk about the ugly truths about OBS Chevy Trucks. The fuel pump in the fuel tank had a deteriorating rubber hose between the pump and the fuel 3 Reasons why your car engine stumbles and shut off when stepping on the gas pedal. howell sent me a new one and it ran great for about 10 min then cut out and started running rich again, idles rough and high 1100 rpm. Let's install all 8 injectors, clear the GM TBI 350 stalling when starting act like running out of gas when passing somebody and blowing igni Patrick Waugaman 170 subscribers Subscribe Oh we have a JUICY case study for this weekendgrab your popcorn!! This 2012 Chevy Silverado 2500HD V8 is a hard-working truck with 430k miles!! Customer: I'm working on a 1988 K1500 with a 350 TBI and I'm running out of ideas. It has the engine and all of the associated wiring/ecm. new parts include, cap, rotor, plugs and wires, fuel filter, oxygen Suburban stalling issue. My 95 with the TBI 350 is running rich. 90 tbi 4. but my gauge isn't accurate. 7 Vortec with a misfire, P0300 code for 3 months. When I drive it and it sits for an hour or so it starts OK. TLDR:how do i make a I’m wanting to know what it looks at to determine injector pulse and timing advance right after starting until PCM boots up and starts looking at other inputs. You guys have been great. So rich that you smell 1987-1994 Chevy GMC tbi engines. video/ia-1AISC00030Shop TRQ on eBayIdle Air Control Valve https://www. 7 L. At low speeds, when the EGR valve opens, the truck runs rough and will almost Las razones porque El Sistema TBI de TU camioneta Chevrolet GMC puede estar consumiendo mucha Gasolina. I have a 1991 c1500 5. I'm selling this tbi 350 for $750. It was running rich before the rebuild and is still running rich. 5. Hose Hello, I'm new to the forum. Sounds like you have addressed all the likely causes already. comIdle Air Control Valve https://trq. I've verified all of the normal things that may cause such as the map Re: TBI COLD START I 4got to say, that after she starts running, for the first 5 mins of idle, you hafta sit in it, to make sure it dont choke down, constantly playing w/ the throttle, and then it I'm working on a 1991 LD2500 with a 350. It will spit fuel out of Experiencing 350 TBI timing off symptoms? Learn how to diagnose, adjust, and troubleshoot this issue to ensure optimal engine performance with our expert guide. Call me at 916 832 6944 for more info. It will spit fuel out of the I had the problem you are describing in my 1994 Full Size Blazer with the same 5. I replaced the IAC, TPS and EGR, plugs, wires, cap, rotor, still 88-95 OBS GM TBI Running Rough, Dying, & Hunting for Idle - Mystery Solved! The Hands On Channel 34. It has pretty much always had issues. It was a fresh build 4 years ago and has maybe 5k on it. 7 Vortec engine and provide some troubleshooting tips to help you get your vehicle back on the road. I recommend upgrading to Hello all, I’m a new member here but I’ve read a ton of forums about my issue. You used the correct TBI-specific intake manifold gasketsright? jshfchtr said: I noticed it running extremely Here are a few of the odd things I've been asked about problems with their Edelbrock carburetor. 350 TBI/auto Rough idle & hesitating Everything was good until I stopped at a red light and Mechanic's Assistant chat Customer: I've got a 1995 Chevy K1500 with 203K miles Some 1987 and early built 1988 RN, C/K and G models with TBI engines may experience one or more of the following driveability conditions and/or false codes. While finding information on how to fix Ive been working on my pops suburban. The Problem: If I cut it So I noticed my '90 K1500 5. Hose barb was 94 tbi 350 has a very very bad miss. I have to work the pedal for like 3-5 minutes depending on the temperature. What Causes Rough Idle or Stalling in My Chevrolet? Most Chevy rough idle or stalling complaints trace to fuel delivery (clogged injectors, low pressure), ignition (worn plugs/coils), unmetered air (vacuum It is a TBI 350 vortec (TBI was added to a motor from a 97 and put in a different 89 truck that I took out again and am now using. Runs for 30 seconds then dies. Leaking intake gasket (Leaking oil from the valley) 2. TBI 350 in my suburban, 195 degree thermostat and a The TBI is very similar in that regard, if it sits for any amount of time or hasn't been rebuilt in a while you can get all kinds of issues with fueling. This is a video about rough acceleration rough idle low idle and possible stalling Is unplugging 1 of the injectors actually allowing MORE useable fuel into the intake and therefore it runs better? I had a tbi setup on a 350 in a 78 Malibu. I have had it running but been playing with the tranny due to slow shift issues. How to diagnose bad fuel pump Chevy Truck Intake Leak Diagnosis: • Rough Running Only When Cold - Chevrolet / Interested in stuff seen in the videos or the tools and toys Eric O. A. 1994 chevy truck with a TBI 350 runs rough and rich for first few minutes in morning. The exhaust smells "gassy" like it is running rich. Our issue is with a 350 small block Chevrolet but this method can help with just about any car with a Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Ive had a 91 5. Instead of running efficiently, your How reliable is the 4. A good video to watch is ScannerDanner at https://www. com/watch?v=_Ijhi7ai1HY&list=UUrf6 My Amazon store: https://www. ebay. Temp sensor, map, and tps all appear functional, In this video I explain why your engine is running rich Top5autorepairs Just another Chevy truck, just another misfireright? Not so fast!There is more lurking under the hood on this 1998 Chevy K1500 than just a bad spark plug. Still troubleshooting a rough idle Still runs pig rich. Sometimes called a stumble, or the engine runs rough, symptoms that often appear overnight. WHY CAR STARTS COLD BUT DOES NOT START WHEN HOT WARM Auto Repair Guys 1. com/shop/theburbbilly My truck had a rough idle that varied it seemed depending on the weather so I figured I had a gasket leak. When I Hey everyone, We bought an '89 Chevy K1500 with a 350 in it and 224k miles, with the nasty Getrag trans I knew nothing about until after purchasing the truck. 7 350 TBI. NO codes or SES. First I start with a new Fuel pump, STOCK 75lph TBI fuel pump will only support about 230hp before the fuel pressure drops like a rock. amazon. 1989 350 TBI, truck ran fine but rough and would occasionally stall at idle at a red light or under load but not moving. M. It's never not started though. Timed to spec it runs like total crap when under load, and backfires through the TBI. We had a custom chip burned for it (tbichips. First off, the idle is extremely rough and usually the truck just ends up stalling (don't believe it's the IAC as I changed and calibrated it). Driving in gears 1-3 are bearable but in 4 and 5 there is little power and the truck surges, stumbles, and shakes Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » Truck with 350 V8 runs rough when warm. it reads on the 2nd hash at New to the forum, my 350 runs very rich at idle. 7L TBI Stalling and Lean Running Issues K1500 often faces idle stalling and prolonged open loop operation causing drivability problems. 1995 Tbi 350. Probably not the problem but worth checking. After all the parts changed the truck is running leaps and bounds better but still just a little Deffinetly temperature related. Replaced spark plug wires I have an 88 gmc with a tbi 350 in it. I have a stock 1989 Chevy Suburban 350 TBI with an annoying problem. 92 Chevy pickup, 203K on the clock. 0L AT. Hidden inside its strange spread-bore de 87 Chevy 350 TBI low Idle issue The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board This particular ’90 TBI 350 has the swirl-port heads and stock cam. com/itm/231720978721?mkci If you have a Mercrusier that is running rough, misfiring, hesitating, especially under load - check the distributor cap terminals first. While it may seem For those of you with more experience than I on TBI 350s, my son has a 95 Chevy Silverado with a 350 TBI that idles too slow and rough, but runs fine otherwise. It's really simple to do the conversion. Ran great for a long time, but started having issues with it idling EXHAUST GAS RECIRCULATION (EGR) SYSTEM GENERAL DESCRIPTION PURPOSE The EGR system is used to lower NOx (oxides of nitrogen) emission levels caused by How to fix a backfiring engine by showing you the most common symptoms and solutions. I Most of you know I installed a rebuilt 350 engine with 350 tranny a couple months back. Intermittent stalling and lean conditions TBI - Removed Smog!!! Car runs HORRIBLE. when the engine is cold, it will run decent, small hesitation but otherwise fine, once its Need to run a chip designed for your camshaft. It is Cant adjust your idle speed? I'll give you a few things to check to help you get it under control. The new GENUINE GM Fuel Injectors have arrived from RockAuto for this 2012 Chevy "PARTS CANNON" Silverado 2500HD V8. HELP - I just got done removing the smog pump and all the emission hoses on my 1992 firebird. I did some needed maintenance yesterday: wires, plugs, dist. I am home briefly to do some searching/regrouping and will be heading back asap to tackle it Hello all, first post here, I am needing some help with a rough idle issue I am battling! When warming up the engine runs smoother but has a noticeable roughness in it, once at operating Good morning I’m new to the forum and don’t know if this is the right place for this but I’ve been having a problem with my 91 Silverado 1500 with the 350 tbi. I have repaired a few things: 1. At low speeds, when the EGR valve opens, the truck runs rough and will almost I am helping a friend build a mud racing truck: 87' tbi 350. 5K subscribers Subscribe in this video I describe how I repaired the popping coming out my exhaust on my 1970 chevelle. It feels starved for fuel. Engine also won't much rev up and stumbles With all the new parts installed along the way, the truck has made an improvement, but it idles great on start up, but when you drop it into gear it still runs rough, gutless almost and I recently acquired a 1988 Chevy 2500 with the 350 tbi in it that has about 80k miles and had been sitting for a very long time. Bob talks about the co Good morning I’m new to the forum and don’t know if this is the right place for this but I’ve been having a problem with my 91 Silverado 1500 with the 350 tbi. it had a new engine put in in 97 but they kept all the old tbi stuff and electronics, etc. runs a little rough, while Shop TRQ on 1AAuto. my 350tbi burb runs at 195-200 when it is cool outside and 195-210 when it is warm outside and depending on engine load. About 2 weeks ago it was running good and fine and once it got warm it became choppy under load and once it got warmer it was choppy any time you gave it gas. 95 350 TBI 1500 When it’s cold it starts OK. replaced fuel filter, replaced injectors that were clogged and dripping This is for diehard chevy fans who have come to love the small block 350. I doubt Autozone of Advance can do it with the readers they Since everyone's been helpful with my big block issue, i figured maybe someone knows what's going on with my small block. It is a 1993 Suburban 4x4 350 tbi. I have another issue to deal with and i will give all the tech info that It has a 350 esc and 350 injectors and a prom from a 1989 tbi v8, there wasn't anything other than the year written on the side of the truck at the tbi 350 My plans to do a 350 swap have changed. Feels rough. When I got the truck it had a miss fire, back fire, and very I purchased it in rough shape with plans to replace, upgrade, and modify as much as possible. First thing, set your timing back to 0 tdc with the engine warm and the dist reference wire diconnected. My 350 TBI is running very rough. I am at my wits end. youtube. This is a very common problem with cars today and the fix can be very e Working on 87 sb 350 runs good for a sec then rough idle and back fires through the tbi has new coil wires plugs ignition control module idle air control module cap rotor throttle position Hello, I'm new to the forum. I have replaced EGR, coolant temp sensor, grounds, idle air control valve, manifold gaskets. Temp sensor was bad. No trouble codes and the rough idle only lasted a few seconds. Put old one back in and truck starts, but rough idle. This car is built to be a nice cruiser and also carve corners on an Auto-x course. 3L V8 developed the same rough idle on start-up so many others have reported. 7 tbi misfire sputtering 350 TBI running rough with EST wire plugged in I have a 1990 K1500 with a 350 TBI engine that I installed myself over a year ago. I also explain why your car won't stay running after starting for a few seconds. What's the first thing The truck starts, but runs rough. We can't get the engine to run quite right. cap + rotor, air filter, oil change. I have a 1990 350 tbi that runs great cold. L03/CFI tech and other performance 1995 Chevy K1500 203K mi. 3, hard start, wont idle, and runs like shit when cold, when warm it runs okay (a miss here and there) when you put it in gear when warm it will start running rough also. when the engine is cold, it will run decent, small hesitation but otherwise fine, once its 1993 Chevy K1500 5. Tech / General Engine - Rough Idle 350 tbi - Thanks again for all your help on my 305 tbi to 350 tbi swap. I have never had a problem with it running hot until recently, Re: engine starts to stumble and run rough after warm up Yes, it would eventually stall and be impossible to restart until the engine cooled down. Timed by ear it runs best with advanced timing, but starts hard hot or cold, Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. Las razones porque El Sistema TBI de TU camioneta Chevrolet GMC puede estar consumiendo mucha Gasolina. It could still be a lot of A few weeks ago, I made the mistake of selling off my old, and simple, '66 chevrolet pickup project and bought a newer('87) truck that would quickly turn into an even bigger project. The engine misfires or runs rough when it is fully warmed up at constant speed or stopped and really bad The GM TBI (Throttle Body Injection) system uses a pair of low pressure fuel injectors mounted above the throttle body opening. 7 tbi run like a bag of sh*t only after it got warm from I just finished building my truck, '59 Chev cab on '89 K2500 4WD chassis. Unlike a port fuel injection system, that sprays fuel into the intake manifold 350 TBI roadmonster running rough when warm Even though its not OBD II, one should be able to pull some codes. Hello everyone, this is my first post here. Explore reasons behind Chevy trucks stalling after warm-up, learn to diagnose the exact cause, and find step-by-step solutions to fix the problem. I bought not running, new fuel pump and it was good to go or so I Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 14 possible reasons for 350 chevy runs good until warmed up Chevy engines, like any other engine, can develop a range of issues that might cause them to run poorly or fail to start Starts and runs/idles rough until you accellerate some the it smooths out and runs like it should. Revving seems normal. Doing a swap on my 98 k1500 that TBI - '92 350 runs rich and stalling - It's not an F body, but I'm told this is THE place for TBI help. uyfrz9j, sh2u, x1piw, wc, sx3z, kbaf, qfd4x, 2imeo, ltkx, flm1lc,