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.
2004 Toyota RAV4 P2238 Fault: O2 Sensor Bank 1 Sensor 1 Positive Current Control Circuit Low - Diagnosis and Fix
The MIL (Malfunction Indicator Lamp) light came on a few days ago in my 2004 Toyota RAV4 2.0L VVTi petrol engine (UK model). The vehicle continued to drive normally with no noti...
2004 Toyota RAV4 | P22381996 Honda Civic DX 1.6 P1336 Code: Misfire Diagnosis and Solutions
My 1996 Honda Civic DX 1.6 is showing fault code P1336, which indicates a 'Manufacturer Control Ignition System or Misfire'. The car runs smoothly under normal conditions. I rec...
honda civic | P13362007 GMC 5.3L Truck P0171 and P0174 - Starts on Second Try, Fuel Pressure Drops After Shutdown
I've searched the forums extensively but can't find a solution for my 2007 GMC 5.3L V8 truck. The vehicle will not crank successfully on the first attempt—typically taking about...
2007 GMC Truck | P01712007 GMC 5.3L Engine P0171 and P0174 Fault: First Crank Failure Resolution
I've searched extensively in the forums but haven't found a solution for my 2007 GMC 5.3L V8 truck. The vehicle fails to start on the first crank attempt, taking approximately 5...
2007 GMC | P01711996 Sebring Convertible P1782 Code: Transmission Shift Issues and Thumping Noise Explained
I own a 1996 Chrysler Sebring Convertible with a 2.4L 4-cylinder engine. Recently, the car has started having difficulty shifting into higher gears—sometimes it won't shift at a...
1996 Sebring | P1782Golf MK4 2.0L Fault Codes P0102, 16487 and 01314 - ABS Access Issue
I recently purchased a Golf MK4 (also known as Golf 4) with a 2.0L engine, and it's currently displaying two fault codes: P0102 and 16486. Additionally, when attempting to acces...
Golf MK4 | P01022005 GMC Envoy P0483 P0495 P0526 - Coolant Fan Issues and Engine Power Loss
The 2005 GMC Envoy is experiencing intermittent coolant fan operation, where the fan runs at high speed occasionally but functions normally when in high mode. Additionally, the ...
2005 GMC Envoy | P0483P0134 OBD2 Error Code Reappears on 1999 Toyota Solara After Oxygen Sensor Replacement
Hello everyone, I'm having a persistent issue with my 1999 Toyota Solara. Approximately two months ago, the check engine light activated, and an OBD-II diagnostic scan revealed...
Toyota Solara | P01342006 Jeep Wrangler P0302 Code: Misfire Diagnosis and Repair Solutions
I recently encountered the P0302 diagnostic code on my 2006 Jeep Wrangler, which is associated with a cylinder 2 misfire. The vehicle was experiencing intermittent stalling and ...
06 Jeep Wrangler | P03022003 Dodge Dakota P1494 Code: Leak Detection Pump (LDP) Fault - Cold Start Only
I have a 2003 Dodge Dakota with a 6-cylinder engine, currently at 82,000 miles. I recently installed Bosch Platinum2 spark plugs and the vehicle ran smoothly afterward. However,...
2003 Dakota | P14942002 Honda Accord P1491 Fault Code: EGR Valve Issue or Plugged Ports?
Hi everyone, Thanks for your previous help. I'm now dealing with a 2002 Honda Accord (4-cylinder, over 100,000 miles) that has triggered the P1491 diagnostic trouble code. Aft...
2002 Honda Accord | P14911998 Jeep Grand Cherokee P0720 Code: Which Sensor Causes the Fault - OSS vs VSS?
My 1998 Jeep Grand Cherokee is displaying Diagnostic Trouble Code P0720. I'm trying to determine whether the Output Speed Sensor (OSS) or Vehicle Speed Sensor (VSS) is causing t...
1998 Jeep Grand Cherokee | P07202001 Mercury Mountaineer P1409: Idle Fluctuation and Check Engine Light with Vacuum Regulator Fault
I own a 2001 Mercury Mountaineer and am experiencing inconsistent idle behavior—my engine fluctuates between high and low RPMs, and at times actually stalls when idling. This is...
2001 Mountaineer | P14091996 Ford Windstar 3.8L Misfire Codes P0300-P0306: Causes, Fixes & EGR Port Cleaning Guide
My 1996 Ford Windstar with a 3.8L engine is showing multiple misfire codes: P0300 (random misfire), P0301, P0304, P0305, and P0306. The vehicle sputters and runs poorly under lo...
1996 Windstar | P0300Practical 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.