Cylinder 5 Misfire Chevy Silverado

The engine is also not firing all of the fuel, so raw fuel is also passing through Cylinder 4 into the exhaust. The customer stated that the misfire seemed most noticeable on a cold engine before it hit operating temperature. misfire, cylinder leakage or blo More Chevrolet Silverado Engine Service Bulletins of. I have have been dealing with this P0171 diagnostic trouble code for many years on many different year make and model vehicles. This will test the O2 heater, Passive Air, Purge "No Flow", Misfire and if closed loop is achieved, Fuel Trim. I am having the same issue on my 2008 Z71 truck with the 5. Page 1 of 3: How to Troubleshoot a Misfire (GM 4. 7Liter engine with 160,000 miles. ok first the vehicle 2003 silverado LS 2500HD 4x4 automatic former plow truck fleet vehicle 114,000 miles 1800 hours ok the lq4 in the truck has developed a misfire at 2500rpm or above the only cylinders that are misfiring are 1,5,6,and 8 it is only throwing a p0300 random misfire code. The misfire codes (other than a P0300) identify the engine cylinder that's missing or dead. Basics Causes of a Misfire Condition. I changed the plugs, wires, swapped the coil with my truck and cleaned the injector. 2017 Chevrolet Silverado Engine Technical Service Bulletins (TSBs). How should I proceed?. Cylinder 5 Misfire Detected. 3 liter engine) going into "reduced engine power mode" which also results in the disabling of stability control and traction control. I have a 1998 Chevy silverado 5. It started out with a code for misfire #4 cyl and now its a random misfire. I am nearing the end of the work that I have done on this truck, I feel this is the only thing that is holding me back. Here are the four different types of misfire and how to diagnose them: Ignition Misfire. View all 4 consumer vehicle reviews for the Used 2007 Chevrolet Silverado 1500 Classic Work Truck 4dr Extended Cab 6. I have changed the plugs and Swapped that coil / wire but still get a misfire. 3 misfire only at idle on #2. This is a dangerous condition in that it results in a loss of power while operating the vehicle upon the roadway. 7L equipped GM vehicle. P0306 cylinder 6 misfire code 05 chevy 5. No check engine light or traction lights but put the scanner back on and it read the p0300 random misfire but no check engine light or rough idling. There could be a known repair for a single cylinder code. That cylinder may be a bit worn and the low compression is causing a mis-fire. AutoZone provides trustworthy advice from our helpful staff to get you on your way with the right engines for Chevy Silverado. 2L V8 on this 'Ask TFLTruck'. My friend's 2003 5. Buyers guide will help you to make a decision!. 7 Vortec with a misfire, P0300 code for 3 months. P0305 CHEVROLET Tech Notes The P0305 code means that the cylinder 5 is misfiring or is randomly misfiring. The 2008 Chevrolet Silverado has 13 problems reported for engine missing / hesitating. 2000 Chevrolet Silverado Z71 1500 5. An important thing to understand when finding the location of Cylinder 5 is that it’s going to be the fifth cylinder in the firing order. Check out free battery charging and engine diagnostic testing while you are in store. 7 - Can someone ease tell me why I'm always getting a p0305 misfire what could cause #5 to keeping doing. American Cylinder Head - Worldwide supplier of new and remanufactured cylinder heads for all makes and models. 6L Duramax diesel engine & associated components. Chevy Silverado No Start. 3 liter Chevy V8? what causes misfire cyliner 7 2008 53. Cylinders #1, #3, #5, #7 are misfiring - AEM 2004 Chevy Silverado - 2500HD, question DTC P0305 "Cylinder 5 Misfire Detected. Here’s a quick explanation of how a pro would attack the problem. On the otherhand it is not idling nearly as bad as it was before I changed the cylinder 4 injector but its still throwing the codes. cap rotor fuel filter fuel pressure/pump are good number 6 injector heres the kickerWhen I replaced the number 6 fuel injector, the misfire jumped to cylinder 5. Buyers guide will help you to make a decision!. ChevySilveradoLtd. This 1999 Chevy Silverado was running badly and had a misfire. 3L V6 producing 195 hp. How much does a cylinder misfire repair cost?. Chevrolet Tahoe Misfire. Changed the distributor cap and reset the codes and hoped for the best. The engine idles a little rough and the cel is on. This details will help. 3 in the chevy Silverado is easy to switch ignition coil and plug wire with another cylinder. 2007 Chevy Tahoe misfire #7 and throttle position sensor came up on obd2. OK guys, I am out of ideas here on this truck. 2010 5:31 pm » in Chevy Silverado. 3 engine and 70K miles. Here's a quick explanation of how a pro would attack the problem. I changed the plug and wire on 7 which didn't solve the problem. Accelerate. 7 Misfire code in #7 Cyl. The code P0300 stands for random misfire. 1 liter engine. 2016 Chevy Truck Silverado 1500 2WD V8-5. The idle was rough after a quick drive and thats when all of this started. Use an engine scan tool to help isolate the problem cylinder and likely cause of the misfire. 3L, GAS, Vin T, Eng Cfg V8 Customer Concern: The engine is misfiring on one bank only. 3l Vortec v6. Which Silverado Engine to Get: 5. The truck actually ran really good. Replacement Ignition Coil - Solves common misfire and rough running issues on most Cadillac, Chevrolet, GMC, Pontiac, or Saab 5. I pulled this code from the computer using my Actron Pocket Scanner. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring. Its a V6 4. Use an engine scan tool to help isolate the problem cylinder and likely cause of the misfire. PSUHR107 $2,839. The contact stated that the failure recurred after every 10,000 miles. I replaced the spark plugs with Autolite Platinums about 2 months ago. I pulled this code from the computer using my Actron Pocket Scanner. 7L equipped GM vehicle. In this case, let's look at a late-model Chevrolet Silverado pick-up truck, say, a 1988 with 5. This article will help you to understand some of the most common causes of misfires and misfire codes (P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308) on the GM 4. An important thing to understand when finding the location of Cylinder 5 is that it's going to be the fifth cylinder in the firing order. [VIDEO] How Chevy Turns a V8 into a Four-Cylinder Here's how all three GM EcoTec3 engines in the 2014 Chevy Silverado and GMC Sierra shut down two or four cylinders at low power demand to reach 22 mpg. The Chevrolet Silverado 1500 is an aggressive vehicle that comes fully loaded with either a small-block Vortec V6 or V8 gas engine and an improved braking system for easy handling around hard corners and rough road conditions. 3 v8, 130,000 miles. Hi just had to take my 2014 Silverado (with 6630 miles) in for an Engine Misfire ( according to On-Star). 3L V8 706 862 Aluminum 99 - 06. 7-liter Vortec engine was tuned to generate 250 horsepower and 335 lb. P0305 is a generic OBD-II code that the engine control module (ECM) detected a misfire on cylinder number 5 of the engine. 3 misfire only at idle on #2. Got the above code on my Kia 2008 Rondo 6 cyl. Mileage may suffer as well when your Silverado has P0304 as well. The most recently reported issues are listed below. Turn off the air conditioner and all the other loads and apply half throttle until 88km/hr (55mph) is reached. 2014 Chevy Silverado 5. 3L? Is the driver side the odd bank and the passenger side the even bank? And does the numbering start from back or front of engine. A friend called me and asked about buying an extended or crew cab Chevy Colorado. It does not miss at anything above idle and will do this one day then not the next. Certain 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 models are being recalled due to a fire risk associated with their cylinder-deactivation systems, the Detroit News reports. Car problem(s) with the 2008 CHEVROLET SILVERADO 1500. Cylinder 7 misfire, and it has a generic permanent code for a misfire. Still the same thing #8 misfire. I replaced the spark plugs with Autolite Platinums about 2 months ago. Page 1 of 3: How to Troubleshoot a Misfire (GM 4. 3L is one of the most common engines on the road in America. ok i have a 2002 chevy silverado with a 4. I read it and it was a P0300 Random/Multiple Misfire. The "soft" misfire, often called a surge, is commonly associated with fuel related issues. P0305 Chevrolet Description When a misfire occurs, engine speed will fluctuate. P0301 CHEVROLET Tech Notes The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. cap rotor fuel filter fuel pressure/pump are good number 6 injector heres the kickerWhen I replaced the number 6 fuel injector, the misfire jumped to cylinder 5. It was flashing for misfire so I took it and had the code read at autozone, reading misfire cylinder 2. If after replacing all those items, the cylinder #6 misfire code remains, then there are a few other possibilities. First, if you're getting a P0300 Random/Multiple Cylinder Misfire Detected code, that would indicate a universal problem that applies to all cylinders. Chevrolet Silverado 1500 owners have reported 19 problems related to engine burning oil (under the engine and engine cooling category). The vehicle was taken to a certified mechanic who diagnosed that the cam shaft, rods, and lifters needed be replaced. A larger 4. The engine is misfiring on one side. 3-liter V6 engine, a 5. Tested the wiring with a noid light, tested the coil with an inline spark tester. com FREE DELIVERY possible on eligible purchases. Still the same thing #8 misfire. Then it became a dead miss with the rings becoming stuck. Buy Pack of 8 Ignition Coils for - Cadillac Chevy GMC Pontiac - G8 Grand Prix H3 Tahoe Yukon Silverado Impala Trailblazer Avalanche 5. I had experienced a slightly rough idle previously (nothing serious) and had been unable to track it down. The engine idles a little rough and the cel is on. Basics Causes of a Misfire Condition. Cylinder 1 misfire. Engine Problem on the 2008 CHEVROLET SILVERADO 1500. to isolate the root cause of the misfire. please look at every single photo i posted below. 3L silverado had this exact same problem, P0300 random misfire, we ended up replacing 4 O2 sensors, one cat, new plugs wires and the problem went away, but since you say your O2's are reading good I would say Cats are plugged possible?. I pulled this code from the computer using my Actron Pocket Scanner. Engine has 140,000m Threw a P0306 Code changed: plugs wires dist. Next in line is a 315 hp 5. It would run with a slight miss but was not noticeable at hwy. 3-liter V6 engine, a 5. I put new pl. The contact owns a 2008 Chevrolet Silverado. I have a 2007 Chevy Silverado 1500 LT 4x4 with 5. CHEVROLET 2010 SILVERADO 1500 5. I thought maybe just plugs and wires but he's saying that would be the case if only 1 cylinder was misfiring. 3 v8, 130,000 miles. No check engine light or traction lights but put the scanner back on and it read the p0300 random misfire but no check engine light or rough idling. If no misfire trouble codes are present or you have a P0300, then a cylinder balance test is recommended to find the misfiring cylinder. 7 Misfire code in #7 Cyl. Cylinder #5 Misfire Detected. ok first the vehicle 2003 silverado LS 2500HD 4x4 automatic former plow truck fleet vehicle 114,000 miles 1800 hours ok the lq4 in the truck has developed a misfire at 2500rpm or above the only cylinders that are misfiring are 1,5,6,and 8 it is only throwing a p0300 random misfire code. In many instances, stalling ends up being an idle control motor at its limit or a failed motor. Which Chevy Silverado engine to get: 5. Depending on the model, the Silverado is capable of between 285 horsepower and 420 horsepower. Engine Misfire codes on Chevrolet Malibu?. 3 Chevy cylinder 4 misfire Most of the time the engine runs fine but once in a while it will start to idle rough and pulse when getting ready to take off. We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. If the injector checks ok, test for air leaks at the base of the intake around cylinder #2. Now, on my 98 Chevy C1500 (350) I am getting a misfire code for cylinder 5. See full vehicle list in description. 3L is one of the most common engines on the road in America. 3 liter engine) going into "reduced engine power mode" which also results in the disabling of stability control and traction control. ive owned two chevy silverado's one ended with 218,xxxmiles on it probally would have gotten 300,xxx out of it but was t-boned the other i sold to buy the ford i now own a 2000 f150 4x4 xlt 5. I thought maybe just plugs and wires but he's saying that would be the case if only 1 cylinder was misfiring. The misfire codes (other than a P0300) identify the engine cylinder that's missing or dead. (per each cylinder) are on their Base Circles when being adjusted via. I have the same problem my code comes up as a #5 clyinder misfire. Did a compression check and got 185 lbs on most some up to 190, with getting around 120lbs on the first pulse. AutoZone provides trustworthy advice from our helpful staff to get you on your way with the right engines for Chevy Silverado. How Do You Fix a Cylinder Misfire? Fix a cylinder misfire by determining where it is occurring, diagnosing the problem and replacing defective parts. 3 Chevy cylinder 4 misfire Most of the time the engine runs fine but once in a while it will start to idle rough and pulse when getting ready to take off. this is a dangerous condition in that it results in a loss of power while operating the vehicle upon the roadway. Checked wires - replaced though nothing is wrong, no ch. Any idea what it might be? a vacuum leak should create a random cylinder misfire right? Could the injector just be dying?. 3 misfire only at idle on #2. The cylinder misfires around 4000 times and causes the truck to idle extremely rough. Now, on my 98 Chevy C1500 (350) I am getting a misfire code for cylinder 5. This 1999 Chevy Silverado was running badly and had a misfire. It idles rough and looses quite a bit of power when climbing hills. A quick search of the manual and the internet makes it sound simple enough to set the timing for the Chevy. Easy to use parts catalog. As soon as I accelerated off idle then the misfire goes away which is why he thought it was valvetrain, either a lobe that's worn down, a flat lifter, a bent valve or pushrod. (per each cylinder) are on their Base Circles when being adjusted via. 3 liter with just over 60,000 miles on it I did for a used car lot. The most recently reported issues are listed below. 7 - Can someone ease tell me why I'm always getting a p0305 misfire what could cause #5 to keeping doing. I am nearing the end of the work that I have done on this truck, I feel this is the only thing that is holding me back. The cylinder misfires around 4000 times and causes the truck to idle extremely rough. Random/Multiple Cylinder Misfire Detected. I rescanned it, and it's still reading a misfire at 7. 2007 chevy towing guide 2007 chevrolet silverado towing guide silverado cylinder 8 misfire how tall is a silverado truck cylinder 8 misfire silverado 2014 brush guard for 2019 chevy …. Need to locate the coil for cyl #7 as it is misfiring and don't know which coil to choose or plug to inspect first. CHEVROLET 2010 SILVERADO 1500 5. but now ever since it. I changed the plugs, wires, swapped the coil with my truck and cleaned the injector. 2008 Chevy Silverado 5. 8L V8 is available which produces 302 hp. P0306 cylinder 6 misfire code 05 chevy 5. I was driving and it started to miss fire real bad. 2L V8 on this 'Ask TFLTruck'. I pulled this code from the computer using my Actron Pocket Scanner. What the P0305 code means. 7 horror tech random misfire 01-11-06 10:02 AM - Post# 577466 In response to thebestisyet I fought the #6 or sometimes random cylinder misfire on my 99 Suburban 160,000 2WD all summer long. Cylinder 1 misfire on 2005 chevy impala? Good day everyone I'm having a problem with my Impala, where I feel a little jerking when driving and its starting to really get to me now. Got the above code on my Kia 2008 Rondo 6 cyl. (1990-95) Engine misfire. where is the 2019 Chevrolet Silverado built; 2003 chevy silverado 2500hd duramax specs; 2019 Silverado Z 92; silverado 1989 owners manual; oil capacity for 2017 chevy silverado 5 3; 2018 chevy 2500 towing capacity chart; chevy 1500 silverado manual; 2012 silverado all star edition. P0305 Chevrolet Description When a misfire occurs, engine speed will fluctuate. How To Fix Oil Leak & Cylinder Misfire - Valve Cover Gasket. 3, 4WD not engaging This 2000 Silverado came into the shop with several issues. 2007 Chevrolet Silverado 1500 Engine Problems. Thanks for the info!!!. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 1. But problem is still there, I did notice on spark plug #7 it was wet dark like oil smelled like fuel. If a fuel injector concern exists, it is possible to misfuel. A misfire in a cylinder will cause the. A full-size 1/2-ton pickup truck, the 2010 Chevrolet Silverado 1500 is offered with a wide array of choices relating to engine size, bed length, and cab-style. Tested the wiring with a noid light, tested the coil with an inline spark tester. Non-Deactivating type. P0305 Kia Sorento EX Cylinder Misfire. I am nearing the end of the work that I have done on this truck, I feel this is the only thing that is holding me back. If a fuel injector concern exists, it is possible to misfuel. I drove this SUV for a few miles with no issues. Yesterday on the way to work my 2000 Chevrolet Silverado 1500 4WD with the 4. Misfire on #5 Cylinder when idling a machanic said the spider injectors need to be replace and he replace the spider injectors but #5 Cylinder still misfire at idle what else could be causing #5 Cylinder misfiring? The spark plugs and spark plugs wires are good. Any ideas?? Thanks. The truck actually ran really good. Another possibility is a wiring issue. I’m going to use a 2003 Chevrolet Tahoe with a 5. Had to replace number 8 cylinder coil which had a history of. CHEVROLET 2010 SILVERADO 1500 5. 8L V8 is available which produces 302 hp. over 50 large detailed photos of this chevy silverado below my description. 2014 Chevrolet Silverado 1500 LT 5. Thanks for the info!!!. The vehicle was taken to a dealer where it was diagnosed that there was a misfire on a cylinder and the spark plugs needed to be replaced. The check engine light was on and flashing at times and the computer had a pending P0301 cylinder one misfire code. I thought maybe just plugs and wires but he's saying that would be the case if only 1 cylinder was misfiring. A misfiring cylinder in a four-cylinder engine is, pardon the pun, hard to miss. Use an engine scan tool to help isolate the problem cylinder and likely cause of the misfire. Chevy Silverado | Timing and Firing Orders. The engine computer or PCM can detect a misfiring cylinder by monitoring the engine speed. ive owned two chevy silverado's one ended with 218,xxxmiles on it probally would have gotten 300,xxx out of it but was t-boned the other i sold to buy the ford i now own a 2000 f150 4x4 xlt 5. CHEVROLET 2010 SILVERADO 1500 5. First, if you're getting a P0300 Random/Multiple Cylinder Misfire Detected code, that would indicate a universal problem that applies to all cylinders. If no misfire trouble codes are present or you have a P0300, then a cylinder balance test is recommended to find the misfiring cylinder. It would run with a slight miss but was not noticeable at hwy. I checked scan tool got a code for cylinder#7 misfire. Still the same thing #8 misfire. Certain 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 models are being recalled due to a fire risk associated with their cylinder-deactivation systems, the Detroit News reports. I cleared them, and the check engine light went away, but the codes keep returning immediately after I clear them. The "sharp" misfire, on the other hand, frequently relates to ignition problems. The "sharp" misfire, on the other hand, frequently relates to ignition problems. this is a dangerous condition in that it results in a loss of power while operating the vehicle upon the roadway. American Cylinder Head - Worldwide supplier of new and remanufactured cylinder heads for all makes and models. I had it scanned, and it came back as a cylinder 7 misfire. I drove this SUV for a few miles with no issues. No Misfire Diagnostic Trouble Codes. 7L equipped pick ups and SUVs. Find local 2010 Chevrolet Silverado prices online. My engine has been rebuilt because of a dead #7 cylinder at 167800 miles. I am having the same issue on my 2008 Z71 truck with the 5. That gave the 1996 Silverado power to tow 6,000 lbs. Symptoms of a Misfire. 3L engine was used in the GMC Envoy, Buick Rainier, Chevy Avalanche, Chevy Tahoe, Saab 9-7X, Sierra, Silverado, Suburban, and Trailblazer. Anyone know the cylinder numbering for the 5. Truck starts, and idle & rev are great til about 2500 rpm. Power/Fuel. It does not miss at anything above idle and will do this one day then not the next. ChevySilveradoLtd. What is the cylinder order for a 5. If this does not fix it, GM has revised PROMs for the computers and will even replace the main bearings if all else fails. As mentioned, a cylinder misfire can happen due to a few reasons, and to make things simple, we created a table to show you exactly what repairs may be required to fix the misfire condition. 0L V8-12611424 12570616 8125706160 D510C: Coils - Amazon. All I know about that engine is that it's a shortened version of that 270 horse inline six they put in the Trailblazers. I have a 2003 Kia Sorento EX. I changed the plugs, wires, swapped the coil with my truck and cleaned the injector. I pulled this code from the computer using my Actron Pocket Scanner. Is this also true for 2011 Chevy Silverado, cause I swapped coil, wire, fuel injector, new plug, checked voltage on harness and on the OBD reader show the misfire count and is always cylinder 5 there is always a misfire it never fires by the way the count goes up so quickly. Which Silverado Engine to Get: 5. Car runs crappy! I will diagnose the problem, HOWEVER, does the computer shut down the fuel to cylinder 2 because it is misfiring? When I had this trouble with my Chevy Silverado 5. During this time the Misfire, Fuel Trim, and Purge Flow diagnostics will be performed. The ODB II indicates P0307. It won’t be the fifth cylinder that you might see when looking at the. 3L silverado had this exact same problem, P0300 random misfire, we ended up replacing 4 O2 sensors, one cat, new plugs wires and the problem went away, but since you say your O2's are reading good I would say Cats are plugged possible?. 7L equipped pick ups and SUVs. 8L V8 is available which produces 302 hp. P0304 is a cylinder specific misfire code, which means that Cylinder 4 is misfiring and causing the code. My engine has been rebuilt because of a dead #7 cylinder at 167800 miles. Power/Fuel. As soon as I accelerated off idle then the misfire goes away which is why he thought it was valvetrain, either a lobe that's worn down, a flat lifter, a bent valve or pushrod. The Kia Sorento has a rough start and I must increase the rpms to 2500 to get the engin to run smooth until the next time the idle is lowered. Silverado 2001 5. Browse your favorite brands affordable prices free shipping on many items. 3 Silverado 4x4 misfire on cylinder 1. This article applies to the Chevrolet Silverado 1500 (1999-2006). Perform a fuel injector balance test for all cylinders. The wait is over, and we now know exactly the power and torque ratings of the 2019 Silverado engines, thanks to order guides (linked below) first discovered by GM Authority. What is the cylinder order for a 5. Buyers of the Silverado 1500 have the choice between a 4. this is a dangerous condition in that it results in a loss of power while operating the vehicle upon the roadway. The P0355 may be. I then swapped coil 7 with coil 5, to see if the misfire would follow the coil. 7-liter fuel injected V-8 automatic transmission and 190,000 miles on the engine. AutoZone's Loan-a-Tool program is useful if you want to make the installation yourself, and we provide the right products at the right prices so you don't have to worry about breaking your budget on repairs. In diagnosing the misfire, some information is needed about the maintenance of the vehicle. Got the above code on my Kia 2008 Rondo 6 cyl. I replaced the spark plugs with Autolite Platinums about 2 months ago. 3 misfire only at idle on #2. It is a 91 chevy truck with the 350 (5. P0305 Chevrolet Description When a misfire occurs, engine speed will fluctuate. I've got a 99 gmc sierra with the 5. That cylinder may be a bit worn and the low compression is causing a mis-fire. I have have been dealing with this P0171 diagnostic trouble code for many years on many different year make and model vehicles. 2003 Chevy Silverado dreaded P0300 random misfire was created by Pashos I recently received this vehicle from my brother-in-law, I have done the maintenance on this vehicle for years and have never been able to figure out the random misfire. If the engine speed fluctuates enough to cause the Crankshaft Position sensor signal to vary, the Engine Control Module can determine that a misfire is occurring. Silverado 2001 5. 3L V8 Engine Valve Lifter. Although this case study is about my neighbor's 1995 Chevy Blazer with a CPI equipped 4. Car runs crappy! I will diagnose the problem, HOWEVER, does the computer shut down the fuel to cylinder 2 because it is misfiring? When I had this trouble with my Chevy Silverado 5. I researched the hell out of Active Fuel Management, which I have, and I know all the lifter issues and problems they can have, but AFM is on cylinders 1, 4, 6 and 7, and my misfire is on cylinder 5. What does this code mean anyway? The definition for this this P0171 code is Fuel Trim System Lean (Bank 1). Although this case study is about my neighbor's 1995 Chevy Blazer with a CPI equipped 4. Just wondering if anyone else has had these issues. A cylinder supposedly filled with compressed air and fuel—akin to. 2000 Chevrolet Chevy C Silverado - 2WD. Squirt a small shot of motor oil into that 130 cylinder and run the compression test on that cylinder again. This case study is on a 1996 Chevrolet Blazer with a 4. It was flashing for misfire so I took it and had the code read at autozone, reading misfire cylinder 2. 3 liter engine) going into "reduced engine power mode" which also results in the disabling of stability control and traction control. Possibly a crankshaft bearing or tourque converter problem. Chevrolet Tahoe Misfire. The check engine light on. I have hooked up the diagnostic scope at chevy and have identified the misfire but am unable to pinpoint the problem. How much does a cylinder misfire repair cost?. I replaced the spark plugs with Autolite Platinums about 2 months ago. This details will help. Tests/Procedures: 1. I have a 1998 Chevy silverado 5.