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.
97 Camaro V6 Error codes P0123 P0118 P1406
I own a 97 Camaro V6 3800 series 2 automatic transmission. My car sat for a year then i got it running changed all fluids, and had my SES light on. I read the codes and got in o...
97 Camaro V6 | P01182011 VW Jetta SE P2432 Error: Secondary Air Injection System Air Flow Sensor Circuit Low - Diagnosis & Fix Guide
My 2011 Volkswagen Jetta SE with a 5-cylinder engine and automatic transmission has the check engine light on. The OBD-II scanner reads error code P2432 — 'Secondary Air Injecti...
2011 vw jetta 5 | P24322000 Chevrolet 1500 Van P0171, P0172, P0430, and P0463 - Highway Hesitation After Long Storage
My 2000 Chevrolet 1500 Van is showing multiple OBD2 diagnostic codes: P0171 (Bank 1 Rich), P0172 (Bank 1 Lean), P0430 (Catalyst Efficiency - Bank 2), and P0463 (Fuel Level Senso...
2000 chev 1500 van | P01711997 Pontiac Sunfire Misfire Code P0300 - Fan Runs Early and Engine Stalls at High RPM
My 1997 Pontiac Sunfire is throwing up a misfire code P0300. I've already replaced the spark plugs and ignition wires, which were confirmed to be in good condition. The strange ...
97 pontiac sunfire | P0300OBD Code P2189 on 2004 Audi A4 1.8T: Coolant Temperature Sensor Issue and No Heat Symptoms
I own a 2004 Audi A4 1.8T and am experiencing persistent engine light illumination despite replacing both coolant temperature sensors. The radiator fan activates when the engine...
2004 Audi A4 1.8T | P2181P0136 Fault in 2002 Ford Escape: Linked to Overheating and Head Gasket Concerns?
A few days ago, my 2002 Ford Escape began overheating. I took it to a mechanic who replaced the water pump. After driving normally for about one day, the Check Engine Light (CEL...
2002 Ford Escape | P0136Jeep TJ 4.0L P0302 Misfire Diagnosis: Spark Plugs, Coil Pack & Injector Testing Guide
Hi everyone, I'm working on a 1999-2002 Jeep TJ with a 4.0L engine that has been throwing up DTC P0302 (Cylinder 2 Misfire Detected). The vehicle originally came in with codes ...
Jeep TJ | P03022002 GMC Sierra 1500 4.3L Engine P0001 Fuel Volume Regulator Control Circuit Open Error
I own a 2002 GMC Sierra 1500 2WD equipped with a 4.3L V6 engine and am currently experiencing a P0001 diagnostic trouble code, indicating a 'Fuel Volume Regulator Control Circui...
2002 GMC Sierra | P0001P0204 and P0304 Fault Diagnosis - 2002 Ram 1500 4.7L Engine Wiring Issue
I'm currently working on a 2002 Ram 1500 with a 4.7L V8 engine. During the repair, someone cut the wiring harness in the engine bay where it connects to the powertrain control m...
2002 Ram 1500 4.7 | P0204P0132 and P0138 OBD2 Codes in 2000 Jeep Grand Cherokee: Causes and Fixes
My 2000 Jeep Grand Cherokee failed its smog inspection due to OBD2 fault codes P0132 and P0138. I need help understanding what these codes mean and how to fix them. Can anyone p...
jeep grand cherokee 2000 | P0132Laguna 1.8L 16V P0700 Code: Misfire Diagnosis and Solutions
Experiencing misfires on one cylinder in a Laguna 1.8L 16V engine, with diagnostic code P0700. Have already replaced the spark plugs, fuel injectors, and coil packs, but the iss...
laguna 1.8 16v | P0700P0011 OBD2 Fault Code in 2004 Nissan Maxima: How to Fix Without Dealership and Estimated Costs
I live in Philadelphia and am looking for affordable, non-dealership options to fix a P0011 fault code on my 2004 Nissan Maxima. What repair shops or auto mechanics should I vis...
2004 Maxima | P00112005 Hyundai Accent P2096 and P0137 O2 Sensor Fault: Loss of Power and Misfire Symptoms
I recently encountered several diagnostic trouble codes on my 2005 Hyundai Accent 4-door. I'm relatively new to car diagnostics, so I'm seeking advice on what these codes mean a...
05 hyundai accent | P0137P0400 Fault Diagnosis and Low MPG on 1998 Mitsubishi Mirage - OBD2 Check Engine Light Still On
Hi everyone, I'm experiencing a persistent P0400 diagnostic trouble code on my 1998 Mitsubishi Mirage, which is also causing significantly reduced fuel efficiency. I've followed...
Mirage | P04002007 Chrysler Pacifica 3.8L P0404 Code: Diagnosis and Possible Causes - EGR Circuit Issues
I own a 2007 Chrysler Pacifica with a 3.8L engine and approximately 178,000 miles. About a month ago, I began noticing reduced horsepower, sluggish acceleration, and hesitation ...
2007 Chrysler Pacifica | P0404P0507 Idle Air Control Error After 2003 Nissan Sentra Spec V Service at 110,644 Miles
Good morning, I recently took my 2003 Nissan Sentra Spec V (110,644 miles) to a service shop for its 100K maintenance. The work performed included: - Spark plug replacement - V...
2003 Nissan Sentra Spec V | P05072002 Town & Country Limited - P0601 Code: PCM Failure Diagnosis and Refurbished Unit Options
Hi everyone, I own a 2002 Chrysler Town & Country Limited. Two days ago, my temperature gauge stopped working. I took it to a mechanic who advised replacing the instrument clus...
Town and Country | P06011996 Ford F150 5.0L Engine P1131 O2 Sensor Fault - Transmission Won't Move in Drive
I have a 1996 Ford F15-0 with a 5.0L V8 engine. The truck drives smoothly in reverse, but when shifted into drive, it does not move at all. The check engine light is on and the ...
1996 Ford 150 | P1131Corvette C5 P0135 and P0155 O2 Sensor Heater Fault: Causes, Fixes, and Long-Term Damage Risks
My Corvette C5 is showing a 'Check Engine' light with fault codes P0135 and P0155. The codes appear every two weeks after clearing them, but the car runs fine otherwise. I'm con...
Corvette C5 | P0135Practical 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.