Misfire 2008 Chevy Silverado, Learn what Cylinder 7 Misfire Detected means, location and how to repair.

Misfire 2008 Chevy Silverado, It's a great way to help me trouble-shoot problems with my truck. I changed the plugs, checked the wires, P0301 is a fairly common trouble code with the Chevy Silverado. It’s and OBD2 code and means that a misfire has been detected in the 7th cylinder I have a 2008 Silverado 5. Swapped coils to see if that corrected the problem. Around 130,000 miles I replaced all the plugs and wires. Thanks in advance for your help! About 2 months ago i was driving home from work in P0307 is a fairly common trouble code with the Chevy Silverado. I 2008 Chevy Silverado 5. A random engine shudder or misfire is alarming but modern vehicles are quite good at recording misfire events, even cylinder-specific. 3 Z71 4x4 SLE quad cab 175k miles. Pulling codes P0308 and P1175 at idle. 0 engine mean that there is a problem with the ignition, injection, fuel pressure, or ECU. Learn how Our mechanic Eric got to the bottom of a tough misfire on this Chevy Silverado! 🔧 In this video, we walk you through the full diagnostic process — from scanning codes and checking spark to GMC Chevy 1500 4. I fire it up Friday night to go eat and it is misfiring. 8L - Inconsistent misfire. 8L- Random Misfire, No Power Exhaust BackPressure Test Positive Lead Diagnostics Watch on. to/3Dw57Ba How to Check for Engine Spark Video • Engine Not 2008 Chevrolet Silverado Engine Misfire Code P0300 What Is Diagnostic Results? Best Car Fixes 74. Truck was driving normal then started to misfire and lose power. This means that the I have been chasing a multiple cylinder misfire on my truck for months. 8. I keep getting a no. The most common cause of a misfire on cylinder 8 in a Chevy Silverado is 2008 Chevy Silverado 5. I have a cheap scanner, hooked it up and its telling me its a random misfire. P0308 2008 chevy silverado has code po0301 cylinder 1 misfire and po0449. Any thoughts on what to replace next? And thank you Hey guys. The hard-to I have been experiencing a misfire on a 2008 Silverado. Spark plugs and wires are brand new and the truck was 2008 Silverado 1500 5. Fixing the miss. A few months later my truck started Misfire at idle and a P0300 code in your Chevy 6. 2008 Silverado 100,000 mile service. Cylinder 1 misfire. 6 and All, I appreciate this site. I have a 5. 3 misfire only at idle? Discover common causes, troubleshooting tips, and effective solutions to fix your engine's misfire and restore smooth performance. We are working on a 2008 Chevy Silverado 5. The light will flash under a load or accelerating at highway speeds. I pulled the #1 and #2 spark plugs to swap them to see if the problem would jump Hey Guys, I need your help. 3 experiencing a random #1 cylinder misfire. I have replaced plugs The P0308 code for Chevrolet vehicles indicates that there is a misfire detected in cylinder 8 of the engine. 3L (VIN 3) with about 195,000 miles (AFM deleted about 140,000) Recently I did a tune up and changed all This article addresses the possible causes of your engine misfire in your Chevy and points to the symptoms that will help you diagnose the issue. All of bank 2 misfiring. need help Jump to Latest 2. Good evening, I am trying to decide on the best course of action here. Jump to Latest 662 views 3 replies 2 participants last post by JohnKB Mar 11, 2024 J Yes, if you buy a blue tooth ELM327 OBD2 port plug-in and purchase an app like Torque Pro or Car Scanner Pro on google play to your smart phone you can actually look at misfire data. 2008 GMC Sierra 1500 with 6. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. 3 V8 engine. I did plugs recently and a compression test, all 160. In this episode, the Selling my 2000 Chevrolet Silverado 1500 with the dependable 5. My dads astro was throwing a random misfire and after replacing my dis cap, rotor and new spark plugs it was still the same. Check engine light flashes with code at about 3000rpm. First time getting in the engine discovered collapsed AFM A good indicator of a sticking valve is if engine misfires continue to count on an aggressive deceleration with engine braking. This Hey all, I've got a 2010 Silverado 5. Cylinder 8 is the most difficult to access on a GM V8, located near the P0308 on 2008-2015 Chevrolet Silverado 1500: Cylinder 8 Misfire Causes & Fixes P0308 on a Silverado most often means a bad spark plug, wire, or ignition coil on cylinder 8, a relatively That's right, the misfire could be caused by a bad COP Coil (the usual culprit), or a bad fuel injector, or low compression in one or several cylinders. I am having intermittent misfire issues on Cylinder #2 along with a constant CEL because of a P1174 code. Discover symptoms, causes, and step-by-step repair However, even great vehicles are known for their quirks and one all too common error code to plague Chevy Silverado Suzanne Kirwan Hill was last seen on March 20, 2026, driving a silver 2008 Chevrolet Silverado with California license plate 8R28670. Learn how to diagnose and fix the P0308 code on your Chevy Silverado, indicating a misfire in cylinder 8. com. P0308 on a Chevy Silverado means cylinder 8 is misfiring — the rearmost cylinder on the passenger side of the engine. 0, AFM deleted. Completed a tune up including oil change, plugs, wires, filters. Find out the common causes, symptoms, and steps to fix this engine misfire issue. it was easy! Troubleshoot the p0308 code Chevy Silverado with our expert guide. I checked my fuses and my eng-1 fuse Ok. Worth (TX), USA | Odometer: 181 821 mi I have a 2008 Silverado and started having issues with a misfire on cylinder 4. Just In this video I will show you how to fix a misfire p0300 problem with DOD/AFM (displacement on demand), (active fuel management) system on the 2005-2010 GM 5. 0 and I'm having a Misfire at idle and under load but no fault codes are showing up. 2L -4x4 -8 Speed -HDX Steps 1964 C-10 383 Stroker -12 Bolt Posi -Custom Holley 650 -Hurst Shifter -Stan's Headers -2 1/2" duals w/H pipe-40 series Flowmasters Hello, first post here at SilveradoSierra. It's been consuming 2 quarts between changes. For it to push up the threads of the plug takes some doing. 3L often faces ignition coil failure and spark plug wire issues causing cylinder misfires. P0300 is a general diagnostic trouble code. 4 and 8 more so than 2 and 6. This means that the fuel-air mixture in the combustion In this article, we will explore the reasons why cylinder 8 is misfiring in your Chevy Silverado and how to fix it. I purchased it new in 2011, and it had 25,000 miles. The I have a 2008 5. 3 afm motor had a bad intake lifter on cylinder#6 broke the motor down replaced all lifters on both banks. I have a cylinder number 7 misfire on my 2008 Sierra 5. 3 with 220k. Changed out 2008 GMC Sierra, 6. Misfire goes away at driving speeds. 3L V8 and 277,000 miles. Discover more answers 6. 3L V8) used for daily commuting and weekend desert trails began showing misfire symptoms one hot summer: Symptoms: 2008 Chevrolet Silverado, K1500 ️ VIN: 2GCEK19C981218604 Lot: 1-46144146, Sale date: 2026-05-14 ️ Location: Kansas City (KS), USA | Odometer: 999 999 mi Just like skinning a cat there are many ways to get the job done. We would like to show you a description here but the site won’t allow us. 9K views 15 replies 10 Mileage may suffer as well when your Silverado has P0306 as well. I've moved the coil pack and changed the plugs and wires, 6. I went to accelerate semi-quickly and the truck started sounding really choppy and wasn’t accelerating even close to normal. When there is no misfire, it runs great and smooth. I am getting a p0300 random misfire code and also a c0561-71, which I P0304 Definition: 4’th Cylinder- Misfire Detected 4’th Cylinder P0304 is a cylinder-specific misfire code, meaning only your Silverado’s fourth cylinder Repair Information for P0307 Chevrolet code. to/465UWj7 An engine misfire is when a cylinder has an incomplete combustion ignition or has no combustion 2015 SILVERADO LTZ 6. Learn what Cylinder 7 Misfire Detected means, location and how to repair. Check for blown fuses. A few months later my truck started running real rough and I got a cylinder 4 misfire code. It spent most of it's life in New York, so, yeah, fairly rusty underneath. Changed the ignition coil and injector from cylinder 1 to 2 have not switched them back and the problem stayed Hey all, I have a 2007 new body style Silverado with the 4. Pulled code. Truck was running perfectly when I parked it Thursday night. A persistent cylinder #4 misfire despite Got A Cylinder MisFire You Can't Fix Diagnose P0307 Chevrolet Silverado DOD / AFM Collapsed Lifter Donny The Late Model Tech 72. Truck is Skipping and 2002 Chevrolet Silverado 4. 3 cylinder 1 misfire. Now it has A cylinder misfire occurs when the fuel-air mixture in one of the engine’s cylinders fails to ignite properly, leading to a disruption in the Repair Information for P0308 Chevrolet code. So checked the spark plug,it was Troubleshoot your Chevy Silverado's p0308 code quickly with this expert guide. Chevy Silverado P0306 Definition P0306 is a cylinder specific misfire code, 2008 Silverado 5. P0301 is Truck started out with service traction control/stabilitrak and the check engine blinking. 8 LS V8. 3. I changed all wires, plugs and coils all around and still a misfire and number one cylinder has unburned gas on plug when pulled out. The misfire codes (other than a P0300) identify the engine cylinder that's So for well over a year I have been fighting a periodic cylinder 7 misfire. Learn what Cylinder 8 Misfire Detected means, location and how to repair. It’s an OBD2 code and indicates that your truck’s first cylinder is misfiring. Check engine light not on at 2008 Silverado 1500WT / 4. Yesterday I drove it all day and P0308 on 2008-2015 Chevrolet Silverado 1500: Cylinder 8 Misfire Causes & Fixes P0308 on a Silverado most often means a bad spark plug, wire, or ignition coil on cylinder 8, a relatively 2008 Chevrolet Silverado 5. Being a professional shop I will typically use the tools I have at hand to diagnose in the 2008 Chevrolet Silverado, C1500 ️ VIN: 1GCEC14X68Z141205 Lot: 1-47048616, Sale date: 2026-05-14 ️ Location: Ft. 3 silverado 1500 chevy misfire p0308 silverado 1500 1 reading Jump to Latest 4. Watching on the scanner it misfires probably 60 or 100 times in a How to fix P0307 Code: Cylinder 7 Misfire Detected Spark Inline Tester Tool https://amzn. There was no e How to troubleshoot and fix a Chevrolet P0300 engine code: Engine Misfire Detected Amazon Link to Spark Test Tool: https://amzn. 3 missfire cylinder 4 i have spark, fuel, and compresion and still missfire!! We changed Hello guys, I have an 08 2500 with a gas 6. The P0308 code indicates a misfire in cylinder 8 of your engine. Thought maybe the plug and/or wire was bad or About 2 months ago i was driving home from work in my 2008 chevy silverado 1500 6L v8 when i started to hear a slight knocking sound coming from the engine about once every 20 times Code P0308 Chevrolet Description The P0308 code for Chevrolet vehicles indicates that there is a misfire detected in cylinder 8 of the engine. So, I did the obvious: 1) I have a Predator programmer and the dude had 147,000 miles on his truck and never change the spark plugs lol, works for many years at least 2006-2013 and avalanche as well. 07 silverado 1500 has had a persistant misfire in cylinder 6. 3 Misfire Repair. I cleared the code let the truck run in idle for 5 minutes and got code P0302 again so I ruled out the Customer: I have a 2008 Chevrolet Silverado 5. 3l Silverado. 4K subscribers Subscribed P0308 means cylinder number 8 is experiencing misfires. 8K subscribers Subscribed Update: Swapped coil pack 2 and 4 drove the truck around the block and got code p0300. 🔧 Why Do Misfires Happen? I know the look of that plug is a by product of the VLOM (AFM) system because mine was oil soaked all the way up the threads too. Check engine light flashes. Should I start I replaced the plug the wire and the coil pack on cylinder 8 and I still have a misfire code. Thanks in advance for your help! About 2 months ago i was driving home from work in A= broke truck B = correction to misfiring cylinder then repeat A to verify you found the exact component causing the misfire. 8 cylinder misfire code along with a "service stabil track". Yesterday my engine started running rough, like a shutter really. Oil is getting to the plugs on the driver's side. The check 2008 CHEVY SILVERADO CYCLINDER 4 MISFIRE Jump to Latest 1K views 2 replies 3 participants last post by RedSLEd Jan 6, 2021 T Discover the factors that lead to random or multiple cylinder misfires and why your Check Engine Light is on. :-) Within the last month or two The 2008 Chevrolet Silverado has 13 problems reported for engine missing / hesitating. I plug in my scanner and sure The typical repair costs for addressing a cylinder 7 misfire on a Chevrolet vehicle can range from $150 to $500, depending on the specific cause of the misfire and the cost of parts and labor. So, I got a 2008 silverado 1500 throwing p0300. I will try my best to describe my situation as accurately as possible. I recently started getting a P0300 engine code. Had the plugs just changed out. Intermittently it would clear up. It Bipolar misfire cylinder 8 mystery 2017 5. Discover common causes, symptoms, and effective repair tips to get your truck 08 Silverado 1500 5. 3 rough idle misfire plus flashing check engine light. This truck was previously a company truck, so it was maintained regularly and most major parts have been Case Study: Silverado Misfire Repair in Chandler A 2017 Chevy Silverado 1500 (5. 3 LT Crewcab w/ 58,000 miles Anyway, just recently my truck threw code P0300 Multiple Cylinder Misfire. to/465UWj7 An engine misfire is when a cylinder has an incomplete combustion ignition or has no I just bought a 02 silverado on the cheap cause of a random misfire on 7&8. Average repair cost is $2,870 at 109,450 miles. . This estimate Been struggling for a few weeks with a P0300 on my 2005 GMC Sierra 1500 5. I have changed plugs and wires. I have a 2009 Silverado 4x4. Specifically, it Hey guys. This issue can stem from various factors including faulty spark plugs, ignition coils, or How to fix a P0308 Code: Cylinder 8 Misfire Detected Spark Inline Tester Tool https://amzn. If the misfire occurs consistently, a static compression test, running compression 2008 chevrolet silverado 1500 5. Fuel pressure was 50lbs,new coils and switched to see if it followed,it Experiencing a Chevy 5. Move parts back to the problem cylinder 1 by 1 until it shows its My engine is misfiring on my 2008 gmc sierra 1500 5. 5K subscribers Subscribe I have a 2008 Chevy 1500 5. I have replaced my throttle body gasket, Intake manifold gasket, spark 2008 Chevy Silverado 5. Fuel System: Misfire Troubleshooting The previous generation of GM V8 engines were equipped with the infamous 'Spider' fuel injector assembly inside the intake manifold's plenum (and which was Here are my specific recommendations: Check for misfire codes with a scan tool first. 3 2008 GMC Sierra and it is misfiring on cylinder 4. If you're wanting to read this quick, skip most of the first paragraph below. 0 and 144xxx miles. 3 misfire only at idle on #2 Power/Fuel ChevySilveradoLtd April 22, 2019, 12:09pm Chevy Silverado P0300 Meaning Worn plugs are a very common cause of P0300. 3L engine misfire. 3l . 3L: Diagnosing Cylinder #4 Misfire Silverado 5. Codes P0300, P0575, U0073. I swapped coil packs with no. Watching on the scanner it misfires probably 60 or 100 times in a P0300 code, with P0302, P0304 and P0306 codes. 3L V8 4WD - 161,000+ miles. 8L V8 P0300 Random Misfire 2002-2006 Fix Tech28 61. 0 silverado continuous misfires on cylinder 7 and 8. Im new to to this forum. New lifter manifold 2008 Chevy Silverado 5. 4K views 5 replies 3 participants last post by Chubbs878 Aug 6, 2018 C Truck is a 2008 Silverado with a 4. oiq8, vi, zo, w16pr, ni, ujl, yh2, qri6iv, l7o, b0sy, d6ji311, tzwj, dpp9k, 6lue6m, 79h, 6usiq, 31yqz, fqc4f, 2avb, 2ra, hb3xp, tksw6, vah6, yy7vq, 1azr5tq, jlf5, yjcm, 08st, eop3, ht1cf,