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1999 Chevrolet Suburban 5.7L - P0304 Cylinder 4 Misfire Diagnosis and Solutions
I recently purchased a 1999 Chevrolet Suburban with a 5.7L V8 engine. The vehicle was originally sold with check engine light off, and the codes were cleared. However, during a ...
1999 chevrolet suburban | P03041997 Ford Probe GT OBD2 Codes P0300, P0304, P0420, P1170, P1173 - Misfire, Catalyst Efficiency, O2 Sensor Issues
I own a 1997 Ford Probe GT with a 2.5L V6 engine and 5-speed manual transmission. The 'Check Engine' light turned on yesterday and began flashing, indicating a serious issue. Af...
97 Ford Probe GT | P0304P0304 on a 2002 Chevy S-10
Ok, (today is sat 5/5/2012 apx 5:00pm) So I have a 2002 Chevy S-10 with apx 47000 miles its an automatic 4x4 with a 4.3L (whatever the stock chevy V6 is,... its the 350 that i...
2002 Chevy S-10 | P03041997 Chevy Silverado 5.7L 2WD P0304 Misfire Diagnosis and Catalytic Converter Impact
The P0304 diagnostic code in a 1997 Chevrolet Silverado with a 5.7L 2WD engine is commonly associated with weak coil packs, particularly affecting the fourth cylinder. Ignition ...
1997 Chevy Silverado | P03042008 Ford Ranger 3.0L V6 P0304 Cylinder 4 Misfire: Causes, Fixes & Solutions
I've been experiencing a persistent cylinder 4 misfire on my 2008 Ford Ranger with the P0304 diagnostic code for several months. I've already replaced all spark plugs and addres...
2008 ford ranger 3.0L V6 | P03042005 Ford Five Hundred Multiple Misfire Codes: P0300, P0303, P0306, P0354, P0355, P0356 and P2544 - Troubleshooting Guide
My 2005 Ford Five Hundred with a 6-speed automatic transmission and 3.0 L 6-cylinder engine is showing multiple misfire codes: P0300, P0303, P0306, P0354, P0-355, and P0356. The...
2005 Ford Five Hundred | P03001999 Mazda B4000 2WD - P0174 and P0304 Error Codes: Causes, Diagnosis & Fixes
Hi everyone, I'm having trouble with my 1999 Mazda B4000 2WD. After scanning the engine, I've received two diagnostic trouble codes: P0174 (System running lean in Bank 2) and P0...
1999 mazda b4000 2wd | P01742002 Ford F150 8-Cylinder Misfire: P0304, P0316, and P0171 Codes Explained
I'm experiencing engine shaking and misfiring on my 2002 Ford F15-0 8-cylinder engine, which is triggering three diagnostic trouble codes: P0304 (misfire in cylinder 4), P0316 (...
2002 F150 8 Cyl | P0171P0300 and P0304 Misfire Diagnosis for 1996 Jeep Grand Cherokee Laredo 4.0L 6-Cylinder
I own a 1996 Jeep Grand Cherokee Laredo with a 4.0L 6-cylinder engine, 2WD, automatic transmission. The vehicle runs well on flat terrain and local drives, but when driving up l...
1996 Jeep Grand Cherokee | P03002001 VW Jetta P0300, P0301, P0302, P0303, P0304 Misfire Diagnosis and Fix
I'm currently troubleshooting a 2001 VW Jetta with a 1.8L turbo engine. The vehicle exhibits severe misfiring during cold starts—when shifting into reverse or drive, it stumbles...
2001 VW Jetta | P0300Mercedes Benz A140 P0304 Fault: Hesitation and Low Cylinder 4 Compression - Diagnosis & Repair Advice
Hi everyone, I own a 2003 Mercedes-Benz A140 (1.4L petrol, manual transmission) with the check engine light illuminated and fault code P0304. The car runs smoothly under norma...
Mercedes Benz A140 | P0304Nissan Maxima 1997 P0304 to P0306 Misfire: Coil Replacement & Root Cause Diagnosis
I'm posting on behalf of my roommate, who is currently facing a persistent engine misfire issue with his 1997 Nissan Maxima. The vehicle features a 6-cylinder automatic Dual Ove...
Nissan Maxima | P030499 Honda Odyssey P0304 & P0305 Misfire with P1399 Code: How to Diagnose and Fix Using Coil Drop Test
When experiencing misfire codes like P0304, P0305, or the generic P1399 on a 1999 Honda Odyssey, follow this proven diagnostic sequence from cheapest to most expensive: 1. Perf...
99 Honda Odyssey | P03041999 Chevrolet Silverado 4.8L P0304 Misfire Diagnosis and Fix: Step-by-Step Guide
I own a 1999 Chevrolet Silverado 4x4 with a 4.8L V6 engine, currently at 181,000 miles. The truck has recently triggered a P0304 diagnostic code, indicating a misfire in cylinde...
99 Silverado | P03041998 Chevrolet Venture P0304 Code: Miss Fire, Diagnosis & Repair Steps
Hello everyone, I'm working on my 1998 Chevrolet Venture with a 3.4L engine (159,000 miles). About eight months ago, the engine started misfiring, and the check engine light cam...
98 Venture | P03042000 Nissan Sentra P0446 and P0304: EVAP Vent Circuit Malfunction and Cylinder 4 Misfire Diagnosis
I'm reaching out for some help regarding a 2000 Nissan Sentra my parents own. The vehicle is currently displaying two trouble codes: P0446 (Evaporative Emission Control System V...
2000 Nissan Sentra | P03041996 Chevrolet Camaro P0304 Cylinder 4 Misfire: Troubleshooting & Fix Steps
I have a 1996 Chevrolet Camaro with a diagnostic code P0304 indicating a misfire in cylinder 4. My wife's father suggested a tune-up, but I'm looking for more specific troublesh...
96 chevrolet camaro | P03041999 Montero Sport Check Engine Light: Codes P0141 and P0307 - What to Do?
Hello everyone, I'm new to this forum. The check engine light has come on for the second time on my 1999 Mitsubishi Montero Sport. Initially, I received code P0304, indicating a...
1999 Montero Sport | P01411997 Chevy Silverado 5.7 2WD P0304
The codes says of a misfire in cylinder #4. I replaced spark plug, changed plug wires, distributor cap, and done a fuel ingection cleaning at Firestone. I still get same code an...
1997 Chevy Silverado | P0304