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.
Mazda B40-than P0133 and P0153 O2 Sensor Fault: Diagnosis and Fix for 1997 4.0L V6 2WD
I'm working on a 1997 Mazda B4000 with a 4.0-liter V6 engine, 2-wheel drive, automatic transmission. The check engine light reactivated after resolving an EVAP system issue. Dia...
Mazda B4000 | P01332009 Kia Sportage P0501 Code: Fuel Misses, Jerking, Power Loss - VSS or Wheel Speed Sensor?
I purchased a used 2009 Kia Sportage with an I4 engine and automatic transmission (LX model, 125K km). It ran fine for at least 1.5 hours without any issues during initial drivi...
Sportage | P05012002 Oldsmobile Bravada P0014 - Camshaft Position Actuator Over-Advance Timing Issue
My 2002 Oldsmobile Bravada is throwing a P0014 diagnostic trouble code, indicating an over-advance in camshaft position actuator timing. I'm wondering if the camshaft position s...
2002 Oldsmobile Bravada | P00142008 Jeep Patriot Sport P0700 Code: Transmission Issue After Wireless Control Module Replacement?
I recently had the wireless control module replaced on my 2008 Jeep Patriot Sport. After the replacement, the engine light came back on and the diagnostic code displayed is P070...
2008 Jeep Patriot Sport | P0700OBDII Diagnostic Codes P0410, P0506, P0121, and P0507 in 2002 Olds Aurora 4.0L Engine at 178,000 km
The vehicle runs smoothly under normal conditions but exhibits erratic idle behavior: it may idle too low, stall when starting and shifting into gear, or stall while driving at ...
2002 OLDS Aurora 4.0 | P01212007 Kia Sorento P0300 Random Misfire Code That Resets After Shutdown?
Hi everyone, I'm looking for help with my girlfriend's 2007 Kia Sorento LX with a 3.0L V6 engine. The SUV has started running roughly, and when this happens, it triggers a P030...
2007 Kia Sorento | P03002002 Audi A4 P0411 Code: Is the Secondary Air Injection Solenoid Valve the Cause?
The secondary air pump began making a loud noise before failing, and when the check engine light came on, I knew it needed replacement. After installing the new pump, the warnin...
2002 Audi A4 | P0411Ford Focus Duratec HE/14 2.0L - P1000 and U1900 Codes: Engine Won't Start After Parking
My Ford Focus Duratec HE/14 with a 2.0L engine occasionally fails to start after being parked and switched off, but it will start again later without any intervention. Once star...
Ford Focus Duratec HE/14 | P1000Nissan Versa 2007 P1701 and P0420 Diagnostic Help: What Causes and How to Fix?
Hi everyone, I own a 2007 Nissan Versa and recently received diagnostic trouble codes P1701 and P0420. A technician at Advanced Auto Parts explained that P1701 relates to the t...
Nissan Versa | P04201999 Oldsmobile 88 P0141 O2 Sensor Heater Circuit Fault - Diagnosis and Repair Guide
I own a 1999 Oldsmobile 88 with a 3.8L V6 engine, currently at 200,000 miles. The vehicle has triggered a Check Engine Light (CEL) with fault code P0141 — indicating an issue wi...
1999 Oldsmobile 88 | P0141P0175 and P0172 OBD2 Codes on 2005 Dodge Durango 3.7L: Causes and Diagnosis
I own a 2005 Dodge Durango with a 3.7L engine. Recently, the vehicle began experiencing misfiring and hesitation during acceleration, along with a significant drop in fuel effic...
2005 Dodge Durango | P0172P1451 Fault in 1999 Ford Explorer: Fuse 13 Blows Repeatedly After Solenoid Replacement
I recently received a P1451 diagnostic code on my 1999 Ford Explorer. I replaced the evaporative emission control solenoid as recommended, but the issue persists. The problem is...
99 Ford Explorer | P14512014 VW Jetta TDI ECL Engine Code P2002 - Low Efficiency Bank 1 After Fuel Filter Replacement
Seeking help with a recurring issue on my 2014 VW Jetta TDI ECL. The vehicle has triggered engine code P2002, indicating low efficiency in Bank 1 after a recent fuel filter repl...
2014 vw jetta tdi ecl | P20022000 Ford F-150 XLT 4x4 OBD Code P0355: Do I Need to Replace Coils, Spark Plugs, or PCM?
I have a 2000 Ford F-150 XLT 4x4 with approximately 187,000 km (115,000 miles) and am currently experiencing OBD code P0355. The fault code indicates a misfire on cylinder 5. I'...
ford f 150 | P0355Mercedes ML320 (2008) P1101 Fault Code: Diagnosis and Resolution Guide
I recently received a P1101 fault code on my 2008 Mercedes ML320 CDI diesel model, but I'm struggling to find reliable information about this specific issue. Most online forums ...
Mercedes 2008 ML320 CDI | P11012005 Kia Sorento P0171 Fault Code: Causes and How to Fix
I own a 2005 Kia Sorento and recently the Check Engine light has come on. After scanning the vehicle, I found fault code P0171. What steps should I take to resolve this issue? A...
2005 KIA SORENTO | P01712000 Chrysler Voyager 3.3L Engine Crank Position Sensor Code After Timing Belt Breakage
Hello everyone, I recently had my timing belt break on a 2000 Chrysler Voyager with a 3.3L V6 engine. My husband and uncle replaced the timing belt, and during the process they ...
Unknown | P0300P0340 Fault Code on Vauxhall Vectra: Camshaft Sensor Issue Due to Oil Contamination?
New user here with a Vauxhall Vectra experiencing intermittent misfiring and rough idling. The OBD2 diagnostic code displayed is P0340 — Powertrain - Camshaft Sensor "A" Circuit...
Vauxhall Vectra | 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.