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.
P0203 Fault Diagnosis and Repair for 2004 Chrysler Sebring - What Parts to Replace and Can I Drive Safely?
I'm experiencing a P0203 diagnostic code on my 2004 Chrysler Sebring. What specific parts should I replace or repair? Is it safe to continue driving the vehicle until I can get ...
Chrysler Sebring | P02032002 GMC 1500HD P0157 O2 Sensor Code: Diagnosis and Fix for Bank 2 Sensor 2
My 2002 GMC 1500HD with a 6.0L engine has recently triggered the Check Engine light, displaying code P0157 related to Bank 2, Sensor 2. I replaced the O2 sensor, and the code cl...
2002 gmc 1500hd | P01572005 Ford F150 Lariat P0012 and P0021 Diagnostic Codes - Service Engine Light On
I own a 2005 Ford F150 Lariat with the 5.4L Triton engine, and the service engine light has remained on for some time. The onboard diagnostic system shows fault codes P0012 and ...
2005 F150 Lariat | P0012p0431 code VW 4motion passat
received po431 code on my 4 motion passat 6cyl, and observed leak in exhaust system - middle box - just after both cat towards the back of the car , should this be of concern si...
VW 4motion Passat | P04312009 Nissan Altima P0725, P0826, and P3431 Codes: Causes and Diagnosis Guide
My 2009 Nissan Altima has recently triggered three diagnostic trouble codes simultaneously: P0725, P0820, and P3431. This is the first time in over 109,000 miles that the check ...
Altima | P07252001 Hyundai Accent 1.5L OBD2 Code P0713 Explanation and Troubleshooting
I'm having trouble understanding what the OBD2 diagnostic code P0713 means on my 2001 Hyundai Accent with a 1.5L engine. Can anyone provide clarity on this transmission-related ...
2001 hyundai accent 1.5l | P07132003 Mitsubishi Colt Error Codes U1707, U1100, U1073: Meaning and Solutions
After performing a diagnostic scan on my 2003 Mitsubishi Colt, the vehicle is displaying error codes U1707, U1100, and U1073. I would like to understand what these codes mean an...
2003 MITSUBISHI COLT | U1073Honda Civic 2000 LX Misfire Codes P1399, P0300-P0304: Causes and What to Check
I own a 2000 Honda Civic LX with 114,000 miles. The check engine light came on immediately after filling the tank with gas. I had previously added a bottle of Redline fuel injec...
Honda Civic 2000 LX | P03002007 Hummer H3 P0301 Misfire Diagnosis: Spark, Fuel, or Wiring Issues?
I recently replaced the spark plugs and ignition coil for cylinder #1 on my 2007 Hummer H3 with a 3.7L V6 engine. After the replacement, the check engine light began flashing an...
Hummer H3 | P03012010 Chevrolet Cobalt P0013 and P2279 OBD2 Diagnostic Guide
I own a 2010 Chevrolet Cobalt and recently the check engine light has activated, triggering both fault codes P0013 and P2271. I'm seeking expert advice on diagnosing and resolvi...
2010 Chevy Cobalt | P00132007 Hyundai Santa Fe P0026, P2189, P2187 and Other OBD2 Error Codes - How to Diagnose and Fix at Home
I own a 2007 Hyundai Santa Fe with multiple OBD2 trouble codes: P0026, P0011, P0012, P0441, P2189, and P2187. I'm trying to identify the root causes myself and am looking for cl...
2007 Hyundai Santa Fe | P00262004 Jeep Grand Cherokee 4.7L Engine P1391 Fault: Loss of Camshaft/Crankshaft Sensor Despite Replaced Sensors
I own a 2004 Jeep Grand Cherokee Overland with the 4.7L HO engine. After installing a completely rebuilt engine, I'm now encountering a persistent Diagnostic Trouble Code (DTC) ...
2004 Jeep Grand Cherokee 4.7 | P13911998 Mercury Sable LS After Fuel Pump Replacement: P0401 Code Explained
After replacing the fuel pump in my 1998 Mercury Sable LS a few weeks ago, I noticed the 'Check Engine' light came on the next day. The diagnostic tool showed code P0401 — indic...
1998 Mercury Sable LS | P04012006 Lincoln LS Overheating with P2195 Code: Diagnosis and Solutions
Hi everyone, I'm experiencing persistent overheating issues with my 2006 Lincoln LS. The car has not been driven for nearly a year due to mechanical problems, but now it's overh...
2006 Lincoln LS | P21951996 Chevrolet K1500 5.7L Misfire in Cylinder 6 - Diagnosis & Solutions
Hi, I own a 1996 Chevrolet K1500 with a 5.7L V8 engine. The vehicle is running poorly—when idling, it experiences rough revving that fluctuates up and down before stabilizing sl...
1996 chevrolet | P03062009 Chevrolet Cobalt P0013 Fault Code: Causes and Diagnosis
My 2009 Chevrolet Cobalt has triggered a P0013 diagnostic trouble code, with the vehicle having reached 54,000 miles. I recently had an oil change less than 20 miles ago—could t...
09 Chevy Cobalt | P0013P0016 OBD2 Diagnostic Code on 2007 Dodge Caliber: Camshaft Timing Issue and Symptoms
The check engine light has been on since February 2011 on my 2007 Dodge Caliber. The vehicle runs smoothly and performs well, but the persistent engine light is causing concern....
2007 Dodge Caliber | P0016P168.4 and P159.4 Error Codes - 2002 Chrysler Voyager 6Cyl Alternator Issue
Last week, the ABS light flickered on and off several times. The next day, the battery warning light came on after just five minutes of driving. I took it to AutoZone for batter...
Chrysler Voyager | P15941999 Dodge Durango P0505 Code: Check Engine Light On, Idle Unstable After IAC Replacement
The check engine light is on in my 1999 Dodge Durango with a 5.9L V8 engine, and the idle speed fluctuates significantly. I replaced the Idle Air Control (IAC) valve and perform...
99 Durango | P0505Practical 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.