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.
2005 Ford F150 with OBD2 Codes P0171, P0174, and P0353 - Poor Acceleration and Lean Mixtures
I have a 2005 Ford F15
2005 ford f150 | P0171P0443 Purge Control Solenoid Valve Issue - Mitsubishi Colt 2008
We have owned this 2008 Mitsubishi Colt for one month. The engine warning light activated, and after a diagnostic check at the garage, we were given fault code P0443. The garage...
Mitsubishi Colt 08 | P04432002 Mercedes-Benz ML320 P0155 Oxygen Sensor Heater Circuit Failure - Catalytic Converter Not Ready for Smog Test
Hi everyone, I'm currently troubleshooting my 2002 Mercedes-Benz ML320 with 90,000 miles. I need to pass a smog test soon and am facing an ongoing issue with the catalytic conve...
2002 Mercedes-Benz ML320 | P01552010 Ford F150 FX4 P0456 Code: Evaporative Emissions Leak Causes Stalling in Traffic
I have a 2010 Ford F150 FX4 with a persistent P0456 diagnostic code indicating an evaporative emissions system leak. The truck stalls when stopped at traffic lights or while idl...
2010 ford f150 fx4 | P04562003 GMC Savana 3500 P0135 and P0152 O2 Sensor Issues Causing Engine Stalling in Cold Weather
The check engine light on my 2003 GMC Savana 3500 1 Ton Van with a 6.0L V8 engine first appeared in April, approximately 10 months ago. I had it scanned regularly and was consis...
2003 GMC Savana 3500 | P01352004 Jeep Grand Cherokee P0505 Code: IAC Motor Replacement Failed - Fix and Diagnosis
I recently encountered a P0505 code on my 2004 Jeep Grand Cherokee. I replaced the Idle Air Control (IAC) motor, which initially resolved the issue—my check engine light turned ...
2004 Jeep Grand Cherokee | P0505OBD Codes P0441 and P0455 on 2005 Audi A8L 4.2L - Hard Starting After Fueling
I have a 2005 Audi A8L with a 4.2L engine. Three weeks ago, when I filled up, I noticed the car would not start immediately—it would just keep turning over like it wanted to sta...
A8L 4.2 | P04411999 Jeep Grand Cherokee P0505 Code: High Idle After Freeway Stops (No Vacuum Leak Found)
Hi everyone, I'm running into a persistent issue with my 1999 Jeep Grand Cherokee 4.7L V8, stock setup, with approximately 173,000 miles. I've recently picked up the P0505 diag...
Jeep | P0505Honda Civic 2008 P0705 Trouble Code: D Light Blinks, Transmission Won't Move
Hi, I own a 2008 Honda Civic and am experiencing the P0705 trouble code. When I turn the key on or start the engine, the check engine light blinks, and the transmission does not...
honda civic | P07051996 Windstar Code P1742: Torque Converter Stuck Issue - Engine Stalls in Drive/Reverse
My 1996 Windstar is experiencing a persistent transmission issue indicated by Diagnostic Trouble Code P1742, which points to a suspected torque converter problem. The vehicle st...
96 Windstar | P1742HONDA CR-V 2008 P0404 故障码解析：EGR控制系统范围/性能异常如何排查与更换
Hello everyone, I own a 2008 Honda CR-V and recently my car triggered the diagnostic code P0404. The error message states: 'Exhaust Gas Recirculation Control Circuit Range/Perf...
HONDA CR-V 2008 | P0404Mercedes E280 (2005 Petrol) P0015 Code: Camshaft Timing Over-Retarded - Diagnosis and Solutions
Hi everyone! I'm from Scotland and recently my 2005 Mercedes E280 (Petrol, M272 3.0L V6) triggered the engine warning light. After checking with an OBD-II code reader, I receive...
Mercedes E280 | P00152014 GMC Vandura P0116 DTC: PCM Not Configured for Block Heater - Can It Be Programmed or Does It Need Replacement?
I own a 2014 GMC Vandura and recently received a Diagnostic Trouble Code (DTC) P0116 from my dealership. They informed me that the vehicle's Powertrain Control Module (PCM) is n...
GMC | P0116Jeep Wrangler 99 2.5L 4-Cylinder P0505 Fault Code: Diagnosis and Solutions
I have a 1999 Jeep Wrangler with a 2.5L 4-cylinder engine that is throwing Diagnostic Trouble Code (DTC) P0505. I've already replaced the ECU twice using Cardone parts, and I've...
jeep | P05052007 Chevrolet Uplander P2135 and P0121 Diagnostic: Throttle Body or Pedal Sensor Issue?
My 2007 Chevrolet Uplander is showing fault codes P2135 and P0121. I'm trying to determine whether the issue lies with the throttle position sensor (TPS) on the throttle body or...
chevrolet uplander | P01212011 Dodge Challenger P0135 and P000D Fault Codes Causing Engine Shaking and Stalling
My 2011 Dodge Challenger is experiencing severe engine shaking and frequently shuts off while driving. The check engine light is on, and the onboard diagnostics show two fault c...
2011 Challenger | P0135Chrysler 300 2006 P0501 A Fault Code Explanation
I own a 2006 Chrysler 300 and recently received the OBD2 diagnostic code P0501 A. I'm trying to understand what the 'A' in the code means and how it affects vehicle performance....
Chrysler 300 | P0501Practical 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.