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 Nissan Sentra P1440 Fault Code: What It Means and How to Fix It
Hi everyone, my 1997 Nissan Sentra has been sitting for 6-8 months. After driving a few miles, it triggered the P1441 diagnostic code. I'm not sure where to begin troubleshootin...
1997 Nissan Sentra | P1441P0336 OBD2 Code on 2000 Chevy Venture: CKP Sensor Issues and Engine Stalling at Low RPM
The check engine light is illuminated on my 2000 Chevrolet Venture. The vehicle starts occasionally but tends to stall at low speeds, making it difficult to restart after stalli...
Chevy Venture 2000 | P0336PO440, PO441, PO446, and P1135 Fault Codes on 2001 Toyota Sienna: Causes, Fixes, and Sensor Identification
My 2001 Toyota Sienna with 155,000 miles has recently triggered several diagnostic trouble codes: PO440, PO441, PO446, and P1135. I took it to the dealership, where they suggest...
2001 Toyota Sienna | P04401996 Ford Escort P1443 and P0303 Fault: Evaporative System & Cylinder 3 Misfire Diagnosis
1.9L Engine, LX Wagon Model P1443 - Evaporative Emission Control System Vacuum Purge Control Solenoid or Valve Fault P0303 - Cylinder 3 Misfire Detected Engine runs roughly unde...
1996 Ford Escort | P03032003 Mazda Protegé 5 P0171 Oxygen Sensor Too Lean Bank 1 - How to Fix?
My 2003 Mazda Protegé 5 has the check engine light on, showing fault code P0171: 'Oxygen sensor too lean bank 1'. I took it to an auto shop where they asked if it's upstream or ...
2003 Mazda Protegé5 | P0171P0130 O2 Sensor Fault on 2002 Chrysler Sunfire: Diagnosis and Repair Guide
Hi everyone, My check engine light came on recently, so I used a code reader to retrieve the fault code P0130 — O2 Sensor Circuit Malfunction (Bank 1, Sensor 1). My understandi...
2002 Sunfire | P01302001 Windstar P0401 Code and Inability to Reach 4000 RPM: EGR and DPFE Troubleshooting Guide
My wife drives a 2001 Ford Windstar Sport with 85,000 km. We've recently encountered the P0401 diagnostic trouble code (DTC), which indicates a malfunction in the Diesel Particu...
2001 Windstar | P0401Dodge Ram 3500 Diesel (2002) with P0117, P1698, and P0380 Code - Causes and Solutions
I'm looking for help diagnosing three trouble codes: P0117, P1698, and P0380 on a 2002 Dodge Ram 3500 Diesel (4x4). This truck is not mine, so I don't have access to it for insp...
dodge | P01172006 Ford F350 6.0 Diesel P1335: EGR Position Sensor Fault - Solutions Without Replacement?
I'm experiencing fault code P1335 on my 2006 Ford F350 6.0 diesel engine, with the scanner displaying 'EGR Position Sensor Minimum Stop Performance'. The code clears after about...
2006 ford f350 6.0 diesel | P13352001 Dodge Intrepid P0700 and P0787 Error Codes: Transmission Shifting Issues and Solutions
My check engine light turned on, and after driving for some time, I noticed my transmission was not shifting smoothly. Using an OBD-II scanner, I retrieved two error codes: P070...
2001 dodge intrepid | P07001996 Chevrolet Corsica P0306 Code: Cylinder 6 Misfire Diagnosis and Solutions
I recently purchased a 1996 Chevrolet Corsica and am experiencing a persistent misfire in cylinder 6, indicated by the P0306 diagnostic trouble code. I initially replaced the sp...
1996 Chevrolet Corsica | P0306Ford Contour 2000 P0174 Code: Idle Hesitation, Low Compression, and Engine Misfires
Dear forum members and experts, I recently purchased a 2000 Ford Contour with a 2.5L V6 engine (98,000 miles). The car runs fine at idle when parked or in neutral, but experien...
Contour | P0174P0305 and P0171 Fault Diagnosis on 1999 Chevrolet Malibu V6 - Causes and Solutions
What causes both P0305 (Cylinder 5 Misfire) and P0171 (System Too Lean) on a 1999 Chevrolet Malibu with a V6 engine? I recently replaced the spark plugs and ignition wires appro...
1999 Chevy Malibu | P0171Practical 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.