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.
1997 GMC Suburban 5.7L Engine Fault Codes P0153, P0154, and P1153 Explained
After replacing the distributor, crankshaft sensor, and camshaft sensor on my 1997 GMC Suburban with a 5.7L engine, I'm still encountering recurring fault codes P0153, P0154, an...
1997 GMC Suburban | P0153BMW 1997 328i P0155 O2 Sensor Heat Circuit Code Not Clearing After Relay Replacement
I own a 1997 BMW 328i with an automatic transmission. While repairing a driveshaft issue, I heated the exhaust bolts using a torch. After completing the repair, the engine light...
BMW | P01552000 Toyota Camry XLE 6-cylinder, 120,000 miles: P0442 Code & Engine Stalling at Highway Speeds
My 2000 Toyota Camry XLE with a 6-cylinder engine and 120,000 miles has been experiencing intermittent engine stalling since about one year ago. The issue typically occurs at hi...
2000 Toyota Camry XLE | P04422000 Ford Ranger 4.0L V6 with OBD2 Codes PO174, P115-1, PO306 and Cat Fault - Diagnosis & Repair Help
I'm experiencing a persistent issue with my 2000 Ford Ranger 4.0L V6 engine. Despite visiting three different repair shops—each of which charged an unreasonable fee—the problem ...
2000 Ford Ranger | P1151How to Properly Use a Leakdown Tester for P0301 Code in Propane-Fueled Vehicles
I'm experiencing a persistent P0301 misfire code with the Check Engine Light flashing under load during warm-up, and the issue has gradually worsened over the past 15,000 miles....
Unknown | P03012000 Volvo V40 P0101 P0303 P0234 P0172 - Difficulty Shifting Up from Stop
I recently discovered this forum while trying to understand the following diagnostic trouble codes on my wife's 2000 Volvo V40 with a 1.9L turbo engine and automatic transmissio...
2000 Volvo V40 | P01012003 Toyota Camry 4.2L Engine Shake & OBD2 Codes P0014, P0105, P0300 - Diagnosis and Fixes
Hi, I have a 2003 Toyota Camry with a 4.2L engine. Today, my check engine light started flashing, followed by a slight engine shake. The shaking would temporarily stop, but the ...
2003 TB | P00142002 Chevrolet Suburban P0420 Code Still Present After Catalytic Converter Replacement
We own a 2002 Chevrolet Suburban 1500 that we purchased used about a year ago. The vehicle recently triggered a P0420 and P0420PD diagnostic trouble code (DTC). Initially, the e...
2002 Chevy Suburban | P0420P1351 Fault Code Explanation and Diagnosis for 1996 Chevrolet Camaro Z28 LT1
Have you ever encountered the P1351 diagnostic trouble code on a 1996 Chevrolet Camaro Z28 LT1? I'm currently experiencing this issue, which indicates an IC Circuit High Voltage...
96 Camaro Z28 LT1 | P1351P1351 Fault Code on 2000 GMC 2500 4x4: IC Circuit High Voltage & Malfunction Diagnosis
Hello everyone, I'm experiencing a serious issue with my 2000 GMC 2500 4x4 Crew Cab equipped with a 454 V8 engine. The vehicle is showing a diagnostic trouble code P1351: 'IC Ci...
GM | P1351P0300 Random Multiple Misfire Diagnosis and Fixes for 1999 GMC Jimmy
I recently encountered a persistent P0300 random multiple misfire issue on my 1999 GMC Jimmy. The truck had been running well for over three months, but during a freeway drive, ...
99 GMC Jimmy | P03001996 gmc safari p0420 p0300 po131 p0151 p0172 decel misfire
And as well if your fuel pressure still bleeds off like that then you've got a leaking injector or fuel pressure regulator! It's called the fuel spider by some and it's a su...
1996 gmc safari | P01512003 Passat Fault Codes PO300-01-02-03-04, PO411, PO5007, PO171 - What Do These Mean and How to Fix?
I recently purchased a 2003 Volkswagen Passat and am encountering several engine fault codes: PO300 (random misfire), PO301-PO304 (individual cylinder misfires), PO411 (catalyst...
2003 Passat | P0101P0300 OBD2 Code After Installing Spark Plugs and Wires on 2007 Chevrolet Silverado LT 5.3L
My 2007 Chevrolet Silverado LT with a 5.3L engine is running roughly, and the engine check light is illuminated steadily. I recently replaced the spark plugs and ignition wires,...
2007 Silverado LT 5.3L | P03001996 Chevrolet Truck 2500 6.5L Diesel - Troubleshooting P0251 and P0370 Code Issues
I own a 1996 Chevrolet Truck with a 6.5-liter diesel engine. The truck is extremely difficult to start, and it currently displays two diagnostic trouble codes: P0251 and P0370. ...
1996 Chevy Truck 2500 | P0251Practical 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.