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.
1997 Ford Explorer 5.0 Engine P0406 DTC: EGR Excessive Flow Issue Without DPFE Sensor
I own a 1997 Ford Explorer 5.0 with a persistent P0402 diagnostic trouble code indicating excessive EGR flow. I've confirmed the EGR valve is functioning properly—when manually ...
97 Explorer 5.0 | P04022005 Ford Escape P0306 Misfire: How to Diagnose and Fix When It Only Occurs in Rain
I'm experiencing a P0306 misfire code on my 2005 Ford Escape, and it only happens when it rains. I've visually inspected the spark plug coil and don't see any visible cracks, bu...
2005 Ford Escape | P03062004 Dodge Caravan P0016, P0335b, P0339 Fault: Sensor Replacements Failed, Timing Chain or Electrical Issue?
I recently encountered recurring engine fault codes on my 2004 Dodge Caravan: P0016, P0335b, and P0339. Initially, the issue was diagnosed as a camshaft position sensor — I repl...
2004 Dodge Caravan | P00162003 Chevrolet Suburban Z71 P0420 and P0300 Codes: Causes, Diagnostics, and Fixes
My 2003 Chevrolet Suburban Z71 has been giving me trouble since I bought it. Initially, I had four diagnostic codes — after replacing spark plugs, ignition wires, and all four o...
03 chevy suburban z71 | P03002005 Ford Taurus P0462 Fault: Fuel Level Sensor A Circuit Low Input After Fuel Pump Replacement
I'm currently working on a 2005 Ford Taurus. After installing a new fuel pump and sending unit, the fuel gauge is still reading incorrectly. The vehicle has triggered trouble co...
2005 Ford Taurus | P04622004 Hyundai Tiburon P0720 Code: Transmission Shift Issue and Speed Sensor Diagnosis
I own a 2004 Hyundai Tiburon with a 4-speed automatic transmission and approximately 116,500 miles. The vehicle has been well-maintained with regular servicing, and I've never e...
2004 Hyundai Tiberon | P0720jeep code 44 No FJ2 voltage present at logic board
jeep code says 44 What says No FJ2 voltage present at logic board OR Logic module self-diagnostics indicate problem OR Battery temperature out of range Where do i start ?
Jeep | P0440Chevy P0101 Code Occurs Only When Towing Trailer on 2003 Chevrolet 3500 8.1
My 2003 Chevrolet 3500 8.1 diesel truck is throwing a P0101 fault code specifically when towing a trailer, but not during regular driving. The issue does not appear under normal...
Chevy | P0101P0401 Diagnostic and Repair Guide for 1998 Ford V-10 15-Passenger Van
I own a 1998 Ford V-10 15-passenger van with 113,000 miles on the odometer. I've previously replaced two coil packs, but otherwise, the vehicle has seen minimal maintenance. Whe...
Ford V-10 | P04011999 Jaguar XJ8 Vanden Plas: P1637, P1642, P1000 Fault Codes - Diagnosis & Repair Guidance
1999 Jaguar XJ8 Vanden Plas, 4.0L V8 engine, 99,500 miles. I recently performed a coolant flush and completed several repairs: - Replaced the fuel pump - Installed a new thermo...
1999 Jaguar XJ8 | P1000Ford F-150 1999 4.2L Engine P1131 Code: Causes and Fixes for O2 Sensor Malfunction
Hi everyone, I'm having trouble with my 1999 Ford F-15 "P1131" O2 sensor malfunction code, along with a secondary misfire code P0303 indicating cylinder 3 misfire. I recently re...
Ford F-150 | P1131HELP ME!!! with P0320 code Hyundai Santa Fe 2002
Hello My Hyundai Santa Fe 2002 (4 cylinder) has been giving me issues. We have changed the crank shaft position sensor the cam shaft and the blade. At first the RPM was not movi...
Hyundai Santa Fe | P032098 Honda Accord 4-cylinder P1456 Diagnostic Code Explanation
I'm trying to understand what the P1456 diagnostic code means on my 1998 Honda Accord with a 4-cylinder engine. Can someone provide detailed information about this specific erro...
98 Honda Accord 4cyl | P14562003 Dodge Ram 2WD 5.7L V8 5-Speed Auto - P0440, P0442, P0456, P2106 Fault Codes & Cold-Start Driveability Issues
Hello! I'm experiencing a driveability issue with my 2003 Dodge Ram 2WD 5.7L V8 with 5-speed automatic transmission. The problem occurs specifically in cold weather, around 0°C ...
2003 Dodge Ram PU 2wd 5.7 5spd auto | P21772005 Chevy Tahoe P0300 P0171 P0131
I have a 2005 chevy tahoe that started showing these three codes. The check engine light comes on after the tahoe has warmed up and I have shut the engine off, and started it b...
2005 Chevy Tahoe | P0131Ford F150 1997 Code P1451: Canister Vent Solenoid Electrical Issue Diagnosis and Fix
I own a 1997 Ford F150 with a 4.2L engine that has triggered trouble code P1451. This code indicates an electrical fault related to the canister vent solenoid valve. I've tested...
ford | P1451Jeep Grand Cherokee 2004 V8 - P0301 & P0300 Misfire Codes, Cylinder Leak, and Engine Pressure Issues at 115k Miles
I took my 2004 Jeep Grand Cherokee V8 to a mechanic who diagnosed a misfire in cylinder #2. After replacing the ignition coil and five out of eight spark plugs (all found to be ...
Jeep Grand Cherokee | P03002007 Chrysler Pacifica P0882 Code: Low Voltage to TCM - Unable to Shift Out of First Gear
I recently purchased a 2007 Chrysler Pacifica that was previously involved in a left-front collision. The vehicle now refuses to shift out of first gear and is displaying a P088...
2007 Pacifica | P0882Practical 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.