Traditional gasoline car fault
Search fault code and browse forum case posts.
This page is designed for quick diagnosis on gasoline vehicles by combining code lookup with real discussion cases. Enter a fault code to filter related topics, then compare symptom context such as cold start behavior, acceleration load, fuel-trim deviation, ignition misfire pattern, and recent maintenance history. Many codes can be triggered by shared root causes, so use cross-checks from multiple posts before replacing sensors, coils, injectors, or catalytic components.
P0133, P0134, and P0301 Diagnostic Guide for 1997 Chrysler Sebring V6
A friend of mine owns a 1997 Chrysler Sebring with the check engine light persistently illuminated. Using an Atron II code reader, we retrieved three diagnostic trouble codes: P...
1997 Chrysler Sebring | P0133OBD2 P0300 Multiple Cylinder Misfire Diagnosis for 2004 Dodge Neon - Fix & Solutions
I recently purchased a 2004 Dodge Neon brand new in 2004 and it currently has 55,000 miles. I follow a regular oil change schedule every 3,000 miles. Recently, the check engine ...
Dodge Neon | P0300PO303 Fault on 1997 Ford F-150 4x4: Spark Plug Wire Issue and Misfire Diagnosis
I have a 1997 Ford F-150 4x4 with a 4.6L V8 engine. The service light is illuminated, and the truck idles roughly. At low speeds, it misfires and runs unevenly, especially under...
Ford F 150 4x4 | P03032000 Ford E150 4.2L Repeated OBD2 Code P0340 and P1349 - Head Gasket Leak & Sensor Issues
I've been consistently receiving OBD2 fault codes P0340 (Cam Position Sensor Bank One Malfunction) and P1349 (Misfire Detection), despite replacing both the crankshaft and camsh...
2000 Ford E150 | P0340Duramax Diesel P0101 MAF/VAF Sensor Range/Performance Issue: Intake Leak or Filter Cause?
I'm experiencing a P0101 MAF/VAF sensor range/performance fault on my Duramax diesel truck. I replaced the sensor, but the code returned. My service manual suggests possible int...
Duramax Diesel | P01012004 VW Jetta TDI - Fault Code P0671: Glow Plug Issue Explained
Hello, I'm experiencing fault code P0671 on my 2004 Volkswagen Jetta TDI. The code appears as '17055 reference P0671 035'. Can someone please explain what this error means in ...
2004 VW Jetta TDI | P06711999 Chrysler Concorde Error Code P0406: EGR Position Sensor Voltage Too High - Diagnosis and Fix
Hi everyone, I'm encountering error code P0406 on my 1999 Chrysler Concorde with a 2.7L engine. The code indicates an issue with the EGR position sensor voltage — specifically, ...
99 Chrysler Concorde | P0406P0107, P0132, P0135, P0141, P0138 Fault Codes on 1996 Dodge Dakota V6 - Diagnosis and Fix
I recently purchased a 1996 Dodge Dakota V6 3.9L and it failed emissions testing with the following OBD-II diagnostic codes: P0107 (MAP Sensor Range/Performance), P0132 (O2 Sens...
1996 Dodge Dakota | P0107OBD2 Code P0406 on 2002 Ford F150 4.6L: How to Diagnose and Fix EGR Input High Fault
I'm experiencing OBD2 diagnostic code P0406 on my 2002 Ford F15-0 with a 4.6L V8 engine. The code indicates a high input signal from the Exhaust Gas Recirculation (EGR) system. ...
2002 F150 | P0006P0410 Fault Code Explanation and Repair Guide for 2000 Chevrolet Venture
I'm experiencing a P041-than code indicating a malfunction in the Secondary Air Injection System. Can anyone explain what this means and what components should be checked or rep...
Chevy Venture | P0410P0420 Fault on 2001 Nissan Sentra: Oxygen Sensor Replacement and Catalyst Efficiency Issues
I recently replaced the bank 2, sensor 2 oxygen sensor as it triggered a fault code and was not functioning properly. After the replacement, the check engine light turned off, b...
2001 Nissan Sentra | P042097 Dodge Stratus P1390 Code: Is It Really a Timing Belt Skipped Tooth Issue?
My 1997 Dodge Stratus is showing a Powertrain Diagnostic Trouble Code (DTC) P1390: 'Wheel Speed Sensor - 1 - G - Sensor Circuit'. However, when I checked the Chrysler DTC databa...
97 dodge stratus | P13901999 Ford F250 V10 Misfire Diagnosis: P0300B, P0303, P0355 - Coil and Spark Plug Issues
My 1999 Ford F250 Super Duty V10 has been running roughly for several days. After visiting the shop, technicians found coolant contamination on one of the ignition coils and rep...
1999 F250 V10 | P03031999 S70 Volvo, Service Comunication link failure
I don't know what the code number is but this is what the explanation of it was. Any ideas what to do to fix? Or what is causing the fault. Thanks, Mark
1999 S70 Volvo | P21862002 Ford Taurus P0316 and P0302 Diagnostic: Causes and Fixes for Misfire at 77,000 Miles
I understand what the OBD-II codes P0316 and P0302 mean, but I'm unsure of how to properly diagnose and fix the issue. My 2002 Ford Taurus with a standard EFI engine has 77,000 ...
2002 Taurus | P03022003 Ford Explorer with PO172 Code: What to Replace and Fix?
I recently purchased a 2003 Ford Explorer with a V6 engine. About three weeks ago, the check engine light came on. I took it to AutoZone, which detected code PO172. The vehicle ...
03 EXPLORER | P01722002 Ford Explorer XLT 4.0L V6 - P0455 Fuel Tank Evaporative System Code Diagnosis and Safety Concerns
Vehicle: 2002 Ford Explorer XLT, 4.0L V6, 4WD Approximately one week ago, my fuel pump failed in my 2002 Ford Explorer XLT. I had it replaced along with the fuel filter. Since ...
2002 FORD EXPLORER | P0455Practical workflow for fault-code troubleshooting
Start by confirming battery voltage and reading freeze-frame data, then inspect wiring and connectors before replacing parts. If the code returns after clearing, record the exact driving or idling condition when it reappears. Prefer case threads with complete repair feedback, because confirmed outcomes provide stronger guidance than one-time symptom descriptions. Following a step-by-step workflow reduces repeated repairs and lowers total diagnosis time.