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.
1996 Chevrolet K1500 P0305 Misfire at 65-75 MPH - Low-Cost Diagnosis Tips
My 1996 Chevrolet K1500 is showing a P0305 diagnostic code. When driving between 65 and 75 mph, the truck exhibits a noticeable misfire. I've already checked the spark plug wire...
1996 Chevrolet K1500 | P0305Nissan Primera SR20DE P0135 and P0325 Fault Diagnosis & Solutions
Hello, I recently replaced the front oxygen sensor on my Nissan Primera SR20DE after receiving diagnostic trouble codes from a workshop. They identified that the original lambda...
nissan primera | P0135P1401 Diagnostic Code in 2002 Hyundai Accent - EVAP System Issue
My check engine light turned on recently, and a scan tool detected a P1401 code. The scanner did not provide a description for this code. Based on the timing—my car's check engi...
2002 Hyundai Accent | P14012002 Chevrolet Trans Am P0410 Fault Code: Causes and Solutions
Could a 'high performance' air filter, if not properly cleaned, be causing the P0410 diagnostic trouble code on a 2002 Chevrolet Trans Am? This code relates to the Secondary Air...
2002 Trans Am | P0410OBD P0141 Code Returns After Replacement: 2002 Honda CR-V EX
I'm using an ELM327 WiFi OBD-II adapter to read diagnostic trouble codes and recently picked up a P0141 code on my 2002 Honda CR-V EX. This code appeared alongside several other...
2002 Crv EX | P01412007 Jeep Wrangler P0038 Code Persisting After OEM Sensor Replacement
I own a 2007 Jeep Wrangler and recently encountered the P0038 diagnostic trouble code. I replaced the oxygen sensor with a brand-new OEM part from Jeep, ensuring all wiring conn...
07 Jeep Wrangler | P0038P0158 OBD2 Code on 2006 Dodge Stratus 2.7L: Diagnosis and Fix Guide
I have a 2006 Dodge Stratus 2.7L with 140,000 miles. The OBD2 scan tool shows trouble code P0158. I've already replaced both the post-catalytic converter oxygen sensor (Position...
2006 Dodge Stratus | P0158P0011 Cam Position Advanced Issue on 1994 Ford E350 5.8L - Diagnosis and Solutions
I own a 1994 Ford E350 with a 5.8L V8 engine. The vehicle idles smoothly when cold, but after a brief warm-up period, it begins to exhibit irregular firing, backfiring, and occa...
1994 Ford E350 | P00112007 GMC Acadia OBD2 Codes P0442 and P0496: Fuel Vapor Leak or Purge Valve Solenoid Issue?
I've spent a significant amount of money repairing my 2007 GMC Acadia, including approximately $700 to fix a leaking transmission hose. Now, the check engine light is on and I'm...
2007 GMC Acadia | P044298 Kia Sportage OBD2 Codes List: PO304, PO440, PO451, PO107, P1614 - Car Dies at High Altitude & Won't Start
My 1998 Kia Sportage suddenly died while driving on the road. After that, it will not start and the check engine light remains constantly illuminated. I've already replaced the ...
98 KIA Sportage | P21771997 Ford Thunderbird 4.6L Engine Light On: PO171 & PO174 Codes, Vacuum Leak Suspected?
Hi there, My 1997 Ford Thunderbird 4.6L has recently developed a persistent 'Service Engine Soon' light. Initially, I was told the issue might be the Mass Airflow (MAF) sensor....
1997 Ford Thunderbird | P21772003 Silverado Continuously Displays P0155 and P0154 OBD2 Codes After Multiple Sensor Replacements
My 2003 Chevrolet Silverado is repeatedly throwing diagnostic trouble codes P0155 and P0154. I've already replaced the heated oxygen sensor (HO2S) twice, both times with new sen...
2003 silverado | P01542005 Dodge Stratus SXT with P0344 Code: RPM Limited to 2300 RPM After Camshaft Sensor Replacement
I recently replaced the camshaft position sensor, its associated magnet, and the crankshaft position sensor on my 2005 Dodge Stratus SXT. Despite these replacements, the vehicle...
2005 Stratus SXT | P034499 jeep grand cherokee limited 4.7 codes 871, 846 etc
i am having several codes regarding trans fluid pressure switch and have already changed the solenoid in valve body and changed all fluid and filters. what do i have to do to f...
99 Jeep Grand Cherokee Limited | P08461993 Cadillac Eldorado DTC 45 Error Code Explanation and Repair Guide
I own a 1993 Cadillac Eldorado and recently received a diagnostic error code: DTC 45. The repair shop was unable to look up this code, so I'm seeking clarification on what it me...
1993 Cadillac Eldorado | P04501999 Chevrolet Silverado P0137 and P0157 O2 Sensor Fault Diagnosis and Fix
I own a 1999 Chevrolet Silverado with persistent check engine light issues triggered by fault codes P0137 (O2 Sensor Circuit Malfunction - Bank 2, Sensor 1) and P0157 (O2 Sensor...
1999 chevy Silverado | P0137P0118 OBD2 Fault Code in 2003 Chevrolet Trailblazer: AC On Causes Engine Death - Sensor or System Issue?
I initially received a P0118 fault code on my 2003 Chevrolet Trailblazer, but the engine temperature was stable for several weeks, which led me to rule out a thermostat issue. A...
Trailblazer | P01181997 Sunfire 2.4L - Troubleshooting P1133, P0335, and P0342 OBD2 Fault Codes
Hi everyone, I'm looking for guidance on how to troubleshoot the following OBD2 fault codes on my 1997 Sunfire 2.4L: P1133 (Coolant Temperature Sensor Circuit Range/Performance)...
97 2.4 | P0335GM Recall Request: Saturn Ion 2007 Cylinder Misfire P0300 Issue with No Official Fix
Hi everyone, I'm seeking help regarding a persistent cylinder misfire issue on my 2007 Saturn Ion. The vehicle shows a P0300 diagnostic trouble code (DTC), indicating a random o...
Saturn | P03002004 Grand Prix GTP P0420: O2 Sensor or Catalytic Converter Failure? Diagnosing the Root Cause
I own a 2004 Chevrolet Grand Prix GTP and recently encountered a check engine light. Initially, AutoZone suggested a tune-up and O2 sensor replacement, which I completed. Howeve...
2004 Grand Prix GTP | P0420Practical 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.