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.
2006 Cobalt SS P0017 Code: Diagnosis and Fix After Timing Chain Replacement
I'm experiencing a persistent P0017 fault code on my 2006 Cobalt SS 2.0L engine. Despite ensuring all timing marks align at TDC (specifically cam sensor at #4), and having repla...
2006 Cobalt SS | P00172009 Dodge Grand Caravan P0300 and P0200 Codes: Rough Driving, Flashing Check Engine Light - Safe to Drive?
My 2009 Dodge Grand Caravan is showing both P0300 (random/multiple cylinder misfire) and P0200 (fuel injector circuit malfunction) codes. The vehicle runs roughly, and the check...
Dodge Grand Caravan SX | P02002007 LBZ 6.6 Duramax Engine Power Loss and P0102 MAF Code Diagnosis
I'm experiencing a serious issue with my 2007 LBZ 6.6L Duramax engine. While driving, the check engine light came on and the truck suddenly lost most of its power—though it stil...
2007 LBZ 6.6 Duramax | P01022003 Dodge Ram Van 5.2L P0505: IAC Valve Causes Engine Stalling and Idle Choking
My 2003 Dodge Ram Van 5.2L is experiencing severe idle issues with a persistent P0505 fault code. When I temporarily disconnect the Idle Air Control (IAC) valve, the engine stal...
Dodge Ram Van | P05051996 Mustang 3.8L P0351 Fault: Coil Pack Tower 1 & 5 Not Firing
I recently replaced the coil pack on my 1996 Mustang 3.8L, but Towers 1 and 5 are not producing spark. I used a spark tester and confirmed that all other towers are firing prope...
96 mustang 3.8L | P0351Flashing P0305 Code on 2002 Cadillac DTS - Misfire After Spark Plug Repair
I own a 2002 Cadillac DTS and recently experienced a flashing P0305 OBD-II fault code. The issue started after the #5 spark plug blew out, requiring thread repair and replacemen...
2002 Cadillac DTS | P03051998 Honda Accord P1382 OBD2 Code: Is It the Cam Position Sensor?
My 1998 Honda Accord 2.3L VTEC engine is showing OBD2 fault code P1382. I want to confirm if this code refers to the cam position sensor (CMP sensor). Can someone verify the exa...
1998 Honda | P13822002 Mitsubishi Lancer OZ Rally - P0421 Code Fix & Missing Vacuum Control Valve (California Smog Ready)
I recently acquired a 2002 Mitsubishi Lancer OZ Rally with 240,000 miles. After fixing several previous issues—P0401, P0507, P0441, and a misfire caused by oily spark plugs—I be...
2002 Mitsubishi Lancer OZ Rally | P0421P3400 Diagnostic Code - How to Fix Engine Check Light on 2010 Honda Accord
Hi everyone, I'm experiencing a check engine light on my 2010 Honda Accord. After using an OBD-II adapter, I've identified fault code P3400 under the Powertrain system — specif...
Honda Accord | P34002008 Nissan Quest P0705 and P0770 Transmission Fault: Diagnosis and Repair Solutions
Hi everyone! I'm a new member and hoping for some expert advice on my 2008 Nissan Quest experiencing persistent transmission issues. I've encountered multiple fault codes and h...
2008 Nissan Quest | P07052008 Chevrolet Cobalt P0411 Code: Cold Start Check Engine Light Issue After Air Pump Replacement
My 2008 Chevrolet Cobalt (52,000 miles) has been experiencing a recurring P0411 diagnostic trouble code. The check engine light activates within minutes of starting the vehicle ...
Cobalt | P04112005 Nissan Sentra P0731 Code: Can a Faulty Charging System Cause Transmission Issues?
I'm experiencing a P0731 diagnostic trouble code on my 2005 Nissan Sentra, but I don't have the check engine light on. Only the battery and parking brake lights are illuminated....
2005 Nissan Sentra | P07312008 Buick Lucerne - OBD2 Code 0411: Secondary Air System Fault Diagnosis and Repair Guidance
I'm currently troubleshooting a secondary air system issue on my 2008 Buick Lucerne, which is showing OBD2 diagnostic code 0411. I don't have access to an official wiring diagra...
2008 Buick Lucerne | P04112006 Acura MDX Code P420: How to Fix Oxygen Sensor or Catalytic Converter Issue?
My 2006 Acura MDX has triggered Check Engine Light with Diagnostic Code P420, which indicates a possible catalytic converter issue. The vehicle was previously recalled for catal...
Accura MDX | P04206G72 Engine Codes P0175/P0171/P0134/P0135/P0340/P0335 - 2002 Eclipse GT (201k miles) Idle Drops to 400 RPM
My 2002 Eclipse GT (6G72 engine) has recently triggered multiple diagnostic trouble codes: P0175 (running too rich on bank 2), P0171 (running too lean on bank 2), P0134 (oxygen ...
02 Eclipse GT | P2177P0133 Fault in 1998 Ford Windstar 3.8L - Diagnosis and Repair Tips
Hi everyone, I'm experiencing a P0133 diagnostic code on my 1998 Ford Windstar with a 3.8L engine. I've already cleaned the Mass Air Flow (MAF) sensor and replaced the oxygen se...
1998 ford windstar | P01332009 Hyundai Accent P0496 Code: Causes and Troubleshooting After Snowstorm and Hard Engine Revving
After a recent snow storm, my vehicle got stuck in deep snow. I repeatedly revved the engine to free myself, which resulted in spinning wheels and high RPMs. A couple of days la...
2009 Hyundai Accent | P0496Practical 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.