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.
P0335 Diagnostic and Location for 2004 Toyota X-Trail
Hi everyone, I'm looking for help identifying the location and troubleshooting the P0335 crankshaft position sensor in my 2004 Toyota X-Trail. The issue began this morning when ...
2004 X-Trail | P0335P0102 OBD2 Code in 2003 Hyundai Tiburon GT: Diagnosis and Solutions
I own a 2003 Hyundai Tiburon GT that I purchased about a year ago. Shortly after buying it, the check engine light activated with a P0102 trouble code. Since then, I've performe...
2003 Hyundai Tiburon GT | P0102Mercedes Benz A140 P0304 Fault: Hesitation and Low Cylinder 4 Compression - Diagnosis & Repair Advice
Hi everyone, I own a 2003 Mercedes-Benz A140 (1.4L petrol, manual transmission) with the check engine light illuminated and fault code P0304. The car runs smoothly under norma...
Mercedes Benz A140 | P0304P0141 O2 Sensor Fault on 1997 Saturn - How Long Until Code Erases?
I own a 1997 Saturn with the MIL (Malfunction Indicator Lamp) lighting up. After checking the diagnostic codes, I found P0141 — indicating an issue with the oxygen sensor in ban...
97 Saturn | P0141P0171 Trouble Code on 2000 Lexus ES 300 with 1MZFE Engine - Power Loss and Hesitation During Acceleration
Hi everyone! I'm new to this forum and have found it extremely helpful. I'm currently facing a serious issue after installing a 1MZFE engine into my 2000 Lexus ES 300. The vehic...
2000 ES 300 | P01712008 Skoda Fabia 1.2L Engine Misfire Codes P0302 and P0301 - Diagnosis and Solutions
Hello, I'm experiencing two diagnostic trouble codes on my 2008 Skoda Fabia with a 1.2L engine: P0302 (Cylinder 2 misfire detected) and P0301 (Cylinder 1 misfire detected). The ...
2008 Skoda Fabia | P0301P0313 Fault on 2004 MG TF 1.8i 135 Sunstorm - Misfire Detected with Full Fuel Level
I recently scanned my 2004 MG TF 1.8i 135 Sunstorm using a Memoscan U380 code reader, which detected fault code P0313. The official diagnostic manual lists this as 'Misfire Dete...
2004 MG TF 1.8i 135 | P0313DTC P0141 Fix for 2005 Honda LX V6 - O2 Sensor Heater Circuit Malfunction
Hi everyone, I need help with a DTC P0141 code on my 2005 Honda LX V6. The vehicle is showing an O2 sensor heater circuit malfunction (Bank 1 Sensor 2). I've checked the basics ...
Honda 2005 LX V6 | P01412004 Ford F15-0 P0430 Code: O2 Sensor Replacement Not Resolving Issue
I own a 2004 Ford F150 XLT 4x4 with a 5.4L V8 engine, currently at 248,000 miles and still running well. Recently, I began receiving the P0430 diagnostic trouble code. I replace...
2004 F150 | P04302002 Mazda MPV TSC Issue: O/D Off and Battery Light On with PO113 Code
I own a 2002 Mazda MPV with a persistent fault code PO113, along with the TSC (Traction Stability Control) light, O/D (Overdrive) off light, and battery warning light illuminate...
mazda mpv tsc | P04202005 Ford Expedition 5.4L 3-Valve Engine Lean Code P0171 and Misfire P0305 - O2 Sensor Issues & Fix
My 2005 Ford Expedition with a 5.4L V8 engine is showing a lean fuel condition on Bank 2 (P0171) and a misfire on Cylinder 5 (P0300/P0305). I initially replaced all spark plugs,...
05 Expedition 5.4 | P01711998 Silverado P1345, P0340, P03-than-expected cutting out in cold/damp conditions after timing issues and distributor replacement
I replaced the intake gasket one year ago and initially resolved a timing issue after several attempts—seemed to run fine at first. However, six months later, the engine would f...
98 silverado | P034098 Dodge Ram 1500 P0132 Fault: Causes and Solutions with O2 Sensor Replacement
I recently purchased a 1998 Dodge Ram 1500 4x2 with a 5-speed manual transmission. When I took it for a check engine diagnosis, the system showed codes P0138 and P0135. After tr...
98 Dodge Ram 1500 | P01322007 Chevrolet Cobalt SS P0171 Code: Diagnosis and Fixes for Lean Mix Ratio
I own a 2007 Chevrolet Cobalt SS with a supercharged engine. I've been struggling to eliminate the P0171 diagnostic trouble code, which indicates a lean air-fuel mixture in the ...
07 chevy cobalt ss | P01711996 Ford F-150 P0171 and P0385: Intermittent Stumble After Engine Warm-Up with DTC Codes
I'm experiencing a recurring issue with my 1996 Ford F-150 (2-door I6, manual transmission) that's driving me crazy. After the engine warms up, when I turn it off and restart it...
1996 Ford F-150 | P0171Nissan Maxima 1997 P0304 to P0306 Misfire: Coil Replacement & Root Cause Diagnosis
I'm posting on behalf of my roommate, who is currently facing a persistent engine misfire issue with his 1997 Nissan Maxima. The vehicle features a 6-cylinder automatic Dual Ove...
Nissan Maxima | P0304Practical 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.