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.
2000 Kia Sportage OBD2 Error Codes Explained: PO303, PO300, PO302, P1586, PO501, PO1115, PO1624
I am experiencing multiple OBD2 error codes on my 2000 Kia Sportage: PO303, PO300, PO3-02, P1586, PO501, PO1115, and PO1624. Can someone please explain what each code means and ...
2000 Kia Sportage | P2177Dodge Neon 2003 P0498 Code Explanation and Repair Guide
What does P0498 mean in a 2003 Dodge Neon, and how can I fix it? The P0498 trouble code indicates a low pressure in the evaporative emission (EVAP) system, specifically related ...
Dodge Neon | P04982010 Mercedes Sprinter 发现 P0299 和 P242F 故障码怎么办？
我的2010年Mercedes Sprinter车型最近出现了P0299和P242F两个故障码。P0299表示柴油喷射系统压力过低，而P242F则与燃油泵控制模块相关，可能引发启动困难或动力下降问题。车辆在行驶中偶有熄火现象，尤其是在高负载情况下。目前尚未进行专业诊断，想了解这些故障码的具体成因和维修建议，尤其是针对Mercedes Sprinter柴...
2010 Mercedes Sprinter | P02991998 Dodge Ram 5.2L Engine P0138 O2 Sensor Code After Tune-Up: Causes and Diagnosis
I recently purchased a 1998 Dodge Ram with a 5.2L V8 engine two months ago. The truck was initially very underpowered and unresponsive, but the check engine light (MIL) was not ...
98 Dodge Ram | P0138Mercedes Benz E250 Injector Circuit Open - PO2 Fault Diagnosis and Fix
After performing a diagnostic check, I found an 'injector circuit/open' fault with a PO2 code present across all injectors. The engine is showing a malfunction indicator. What s...
mercedes | P02172006 Ford Focus ZX5 2.3L Duratec P0401 EGR Flow Insufficient - No DPFE Sensor?
Hello everyone, I'm currently troubleshooting a persistent P0401 code on my 2006 Ford Focus ZX5 with the 2.3L Duratec engine, which reads as 'EGR Gas Recirculation Insufficient...
2006 Focus ZX5 2.3L Duratec | P04012002 Chrysler PT Cruiser P1684 and P0118 Codes: Car Won't Start, Battery Replacement Help Needed
My 2002 Chrysler PT Cruiser is displaying fault codes P1684 and P0118. I recently replaced the battery, but the car still won’t start. After disconnecting the ECT sensor and the...
2002 Chrysler PT Cruiser | P01182009 Buick Lacrosse P0411 Code: Secondary Air Injection System Flow Fault - Diagnosis & Fixes
I own a 2009 Buick Lacrosse that is displaying Diagnostic Trouble Code P0411, indicating an incorrect flow in the secondary air injection system. I recently replaced both the ai...
2009 Buick Lacrosse | P04112001 Dodge 2500 Diesel P0341 and P0216 Fault Codes: Sensor Replacement & Lift Pump Issues
I recently encountered fault codes P0341 and P0216 on my 2001 Dodge 2500 diesel truck. The camshaft position sensor was replaced on February 6, 2014, but the codes have reappear...
2001 Dodge 2500 | P02162004 Ford Thunderbird P0316 Code: Causes, Diagnosis, and Fixes
How to diagnose and fix the P0316 code in a 2004 Ford Thunderbird. The P0316 trouble code indicates a misfire detected during engine start-up, often related to issues with the c...
2004 ford thunderbird | P03162010 Nissan Sentra B1134 and B1086 Error Codes: Front Left Airbag and Seat Belt Pre-Tensioner Circuit Fault
The airbag warning light is continuously blinking. Diagnostic trouble codes B1134 and B1086 have been detected. B1134 indicates an open circuit in the front left-hand side (LH)...
2010 Nissan Sentra | B1086B0085 Diagnostic Issue - 2006 Chevy Impala 3.9L with SRS Light On
I recently discovered two diagnostic codes on my 2006 Chevrolet Impala 3.9L: one showing SRS history and current status at the start of each session, followed by a B0085 code — ...
Chevy Impala | B00852000 Buick Regal 3.8L Engine P0327 Knock Sensor Bank 1 Fault: Wiring Issue and Correct Wire Color
I'm experiencing a P0327 diagnostic trouble code on my 2000 Buick Regal with the 3.8L engine. The knock sensor circuit in Bank 1 is showing a 'circuit low' fault. I've checked f...
2000 Buick Regal | P03272002 Chevy Blazer P0131 P0137 P0151 O2 Sensor Faults - Starting Issues and Power Loss
I own a 2002 Chevrolet Blazer with persistent trouble codes P0131, P0137, and P0151—all related to oxygen (O2) sensors. The vehicle occasionally fails to start and experiences s...
02 Chevy Blazer | P0131Porsche Cayenne Error Code P0411: What Does It Mean and How to Fix It?
If your Porsche Cayenne is displaying the error code P0411, it indicates a problem with the Exhaust Gas Recirculation (EGR) system. Specifically, this code means that the engine...
Porsche | P0411Fault Code PO740 - How to Diagnose and Fix Torque Converter Clutch Circuit Open on Honda Murano
I am a local automobile mechanic and have encountered fault code PO740 on a Honda Murano, indicating a torque converter clutch circuit open. I'm unsure of the exact cause or how...
Murano | P07402000 Mitsubishi Eclipse 3.0L - P0335B and P0340 Codes After Crank Sensor Replacement
I'm currently working on a 2000 Mitsubishi Eclipse with a 3.0L engine, which is showing both P0335B (Crankshaft Position Sensor A Circuit Malfunction) and P0340 (Camshaft Positi...
2000 Mitsubishi Eclipse | P0340Practical 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.