Traditional gasoline car fault

2000 Volkswagen Passat Misfire on Cylinders 2, 3, and 4 - Diagnosing with OBD2 Code P0302/P0303/P0304

I'm experiencing a misfire on cylinders 2, 3, and 4 in my 2000 Volkswagen Passat. The engine light is on, and I've checked the coil pack resistance — all readings are within nor...

2000 Passat | P0302

P0422 and P0304 Fault Diagnosis for 1999 VW GTI with 222,000 Miles

I own a 1999 Volkswagen GTI 2.0L engine with 222,000 miles. The vehicle consistently displays diagnostic trouble codes P0422 and P0304. I have already replaced both the catalyti...

1999 VW GTI | P0304

2003 VW Passat Wagon V6 Fault Codes P0300-P0306 and P1491/P1492: Diagnosis and Repair Cost Guide

My 2003 VW Passat Wagon with a V6 engine has been showing intermittent check engine light activation, accompanied by fault codes P0300 through P0306 (indicating random misfires)...

2003 VW Passat Wagon V6 | P0300

2001 Nissan Pathfinder 3.5L Engine Faults: P1145, P0505, and P0304 Diagnosis & Fixes

Hello, my name is Jesse. I own a 2001 Nissan Pathfinder SE with approximately 196,800 miles. The vehicle is currently exhibiting multiple engine issues indicated by the followin...

2001 Nissan Pathfinder | P0304

2002 Ford F-150 4.6L V8: Multiple Spark Coil Faults (P0354, P0355, P0356, P0358) with Random Cylinder Misfires

Vehicle: 2002 Ford F-150, 4.6L Triton V8 engine Issue: Recently experienced four OBD-II fault codes simultaneously: P0354, P0355, P0356, and P0358. The engine lost power under l...

2002 F-150 4.6L | P0300

2004 Chevrolet Impala 3.4L OBD2 Code P0304 - Misfire Diagnosis & Fixes

I own a 2004 Chevrolet Impala with a 3.4L engine and recently received OBD2 diagnostic code P0304. This indicates a misfire in cylinder #4. I'm seeking advice on possible causes...

2004 3.4 Impala | P0304

2004 Ford F150 5.4L Misfire Diagnosis: P0305, P0304, P0300, P0316, P0171 After Spark Plug Replacement

After replacing all spark plugs in my 2004 Ford F150 5.4L engine, the truck began running significantly worse and triggered multiple OBD-II diagnostic codes: P0305 (cylinder 5 m...

04 f150 5.4l | P0300

2013 Dodge Challenger R/T 5.7L Engine P0304 Diagnostic - Check Engine Light On

I recently received a P0304 diagnostic code on my 2013 Dodge Challenger R/T with the 5.7L V8 engine, and this is the first time the check engine light has activated. I'm seeking...

2013 dodge challenger r/t semi 5.7 | P0304

2000 GMC Sonoma P0200 and P0304 Codes: Diagnosis and Injector Overfueling Concern

My 2000 GMC Sonoma has reached 201,000 miles and is currently showing fault codes P0200 and P0304. I've confirmed spark delivery to all cylinders, and the #4 spark plug is wet w...

2000 GMC Sonoma | P0200

Ford F150 P0304 Code: Causes, Diagnosis & Repair Steps for Cylinder 4 Misfire

Hello. I own a 2007-2010 Ford F150 with a 4.6L V8 engine. The check engine light is on and the diagnostic scan shows code P0304, indicating a misfire in cylinder #4. I've alread...

ford f150 | P0304

2003 Acura TL Misfire Codes P0300-P0305 and P1399: Fuel Pump or Engine Issue?

While driving, my 2003 Acura TL began sputtering and the check engine light started flashing. The onboard diagnostic system shows multiple misfire codes: P0300 (random/multiple ...

Acura TL | P0300

Misfire in 5 out of 6 Cylinders with P0301-P0305 and P0174 on 2000 Mercury Mystique

I was driving home and noticed the vehicle running roughly, especially during acceleration. The roughness eased when RPMs were steady. Upon arriving home, I checked the diagnost...

2000 Mercury Mystique | P0300

2008 Dodge Ram 1500 5.7L Engine Misfire in Cylinder 7: Causes and Diagnosis

After replacing the coil packs and spark plugs, I'm still experiencing a misfire in cylinder 7 on my 2008 Dodge Ram 1500 with a 5.7L V8 engine. What other potential causes could...

2008 Dodge Ram 1500 | P0300

P0304 Fault in 2007 Ford Ranger 3.0L V6 - Diagnosis and Sea Foam Safety Guide

I own a 2007 Ford Ranger with a 3.0L V6 engine, and I'm currently experiencing a misfire in cylinder 4, indicated by the OBD2 fault code P0304. I've taken the vehicle to Ford de...

ford ranger | P0304

P0304 Fault on 2007 Ford Ranger 3.0L V6 - Misfire in Cylinder 4 After Multiple Repairs

I'm experiencing a persistent P0304 diagnostic trouble code on my 2007 Ford Ranger with a 3.0L V6 engine. The check engine light comes on intermittently, flashing every 5 days a...

ford ranger | P0304

2001 Honda Accord P0300 P0304 P0305 P0306 C1555 - Cylinder Misfire and Rough Idle Diagnosis

I have a 2001 Honda Accord that started showing issues two days ago. While driving on the highway, I noticed the check engine light came on and began flashing, accompanied by no...

2001 Honda Accord | C1555

2005 Mitsubishi Endeavor LS P0431, P0174, P0421, P0171, P0304, P0431

I have a 2005 Mitsubishi endeavor with the following codes: P0431, P0174, P0421, P0171, P0304, and P0431 and I haven't the faintest idea what any of them mean. I have searched t...

2005 Mitsubishi Endeavor LS | P0171

2004 Honda Odyssey P0301 P0304 P0306 P0300 P1399 - Misfire Codes and Check Engine Light Issues

I own a 2004 Honda Odyssey and recently experienced a serious issue. Two days ago, while driving on the highway, the check engine light and TCS warning light came on simultaneou...

2004 Honda Odyssey | P0301

2001 New Beetle GLX 1.8T Misfire Codes P0340, P0352, P0300-P0304 & P1297/P0012: Diagnosing Root Cause for Turbo and Ignition Issues

I recently purchased a 2001 New Beetle GLX 1.8T and am experiencing multiple OBD-II diagnostic codes: P0340, P0352, P0300, P0302, P0301, P0303, P0304, P0102, and P1297 along wit...

2001 New Beetle GLX 1.8t | P0012

2003 Ford Escape 3.0L Engine Misfire: P0316 and P0304 Diagnosed with TSB 207584

I recently replaced the coil-on-plug (COP) connectors on my 2003 Ford Escape V6 3.0L engine (OD: 268,000 miles). The original connectors were brittle and broke during removal, s...

2003 Ford Escape | P0304