Traditional gasoline car fault

2006 Ford F150 Misfire Codes P0302 and P0304: Diagnosis and Solutions

Hi aeroman, My 2006 Ford F150 has been experiencing intermittent misfires, indicated by diagnostic codes P0302 and P0304. The engine only dies once—when idling—and runs very ro...

2006 FORD F150 | P0302

2006 Ford F150 P0302 and P0304 Misfire: Diagnosis After Spark Plugs, Coils, Injectors Replacement

I've replaced the spark plugs, coil packs, and fuel injectors on my 2006 Ford F150, but the vehicle still shows misfires on cylinders #2 and #4 (codes P0302 and P0304). I've alr...

2006 FORD F150 | P0302

1999 Toyota Solara V6 Misfire Codes P0300-P0306, P0141, P0445: Diagnosis and Fixes for Stumbling and Power Loss

My friend's 1999 Toyota Solara V6 is experiencing severe stumbling and a noticeable lack of power. The vehicle is throwing multiple diagnostic trouble codes including P0300 (ran...

99 Toyota Solara V6 | P0141

1998 Honda CR-V (Prizm) P0441, P0446, P0304, P0303, P0300, P0301: Misfire & EVAP Codes Explained

My 1998 Honda Prizm runs smoothly when cold-started in chilly weather, but the check engine light stays on. After driving about 2 miles, the vehicle begins to run poorly—rough i...

98 Prizm | P0301

P0304 Diagnosis for 1999 Chevy Silverado with 5.3L Engine: How to Fix Misfire on Cylinder 4

I own a 1999 Chevrolet Silverado equipped with a 5.3-liter V8 engine and am currently experiencing the P0304 diagnostic trouble code, indicating a misfire in cylinder #4. I've a...

1999 Chevy Silverado | P0304

01 F150 P0304 and p0307 codes Did the typical stuff already

Ok, 01 F150 5.4, 66,000 miles Truck is running like absolute garbage.. It started running bad this pass weekend on a 5 1/2 hour trip. Burned a ton more fuel, only got like 6 mil...

F150 | P0304

2005 Dodge Neon P0304 Code: Engine Stalls at 2000 RPM, Resolves After Multiple Starts

My 2005 Dodge Neon is throwing a P0304 diagnostic trouble code. The issue occurs when I start the car — the check engine light comes on immediately and the vehicle will not exce...

2005 dodge neon | P0304

P0300 & P0304 Fault Codes: Is Ignition Coil Pack Replacement Necessary for 1999 VW Jetta GLS 2.8L VR6?

I'm experiencing fault codes P0300 and P0304 on my 1999 VW Jetta GLS 2.8L VR6. The dealership has recommended replacing the ignition coil pack. I'm trying to verify if this is i...

1999 VW Jetta GLS 2.8L VR6 | P0300

Random/Multiple Cylinder Misfire Detected - 2002 GMC Yukon XL Diagnosis and Solutions

2002 GMC Yukon XL 4WD The service engine light came on a few months ago. An auto parts store initially diagnosed a faulty O2 sensor, which I replaced—this resolved the issue tem...

2002 GMC Yukon XL | P0300

P0304 Fault on 2000 Ford Expedition with 5.4L Engine at 145,000 Miles

I'm experiencing a persistent P0304 cylinder 4 misfire code on my 2000 Ford Expedition with a 5.4L V8 engine, currently at 145,000 miles. I recently replaced the coil pack (COP)...

2000 Ford Expedition | P0304

P0300, P0304, P0306 and P0171/P0174 Fault Diagnosis - 1999 Ford F-150 4.2L Engine

I own a 1999 Ford F-150 with a 4.2L V8 engine and am currently experiencing multiple OBD-II diagnostic trouble codes: P0171 (System Too Lean Bank 1) and P0174 (System Too Lean B...

1999 ford f150 | P0174

P1131, P1151, P0174, P0304, P0306 - Diagnosis and Fixes for 2000 Ford Expedition with 145K Miles

I'm experiencing multiple OBD-II fault codes on my 2000 Ford Expedition: P1131, P1151, P0174, P0304, and P0306. The vehicle has accumulated 145,000 miles and is running roughly,...

2000 Ford Expedition | P0174

2003 Hyundai Tiburon Supercharged P0304 Code: Injector or Fuel System Issue?

I'm posting this in the right section as I believe it's related to fuel injection and engine performance. I own a 2003 supercharged Hyundai Tiburon 2.7L, recently upgraded with ...

Tiburon | P0304

1999 Dodge Durango 318 V8 P0138 and P0304: Idle Stuttering, Misfires, and Rain-Related Code Behavior

My 1999 Dodge Durango with a 318 V8 engine is experiencing intermittent stutters and surges at idle and while in gear. The check engine light appears to flicker or turn off duri...

1999 Dodge Durango | P0138

2003 VW Passat P0300 P0301 P0304 Fault Codes: Coil Pack Issues and Timing Belt Maintenance Guide

I own a 2003 Volkswagen Passat 1.8T with a 5-speed manual transmission, driven approximately 55,000 miles since new. No special maintenance has been performed beyond regular oil...

2003 Passat | P0300

P0204 and P0300 Diagnostic Guide for 2003 VW Jetta 1.8T - Spark Plug & Injector Circuit Issues

I'm experiencing two diagnostic trouble codes on my 2003 Volkswagen Jetta 1.8T: P0204 and P0304. I've already replaced all four spark plugs and ignition coils, but the engine st...

2003 Jetta 1.8T | P0204