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.
99 Ford F350 P0352 Fault: How to Identify and Fix the Bad Coil Pack
How can I diagnose which coil pack is faulty when my 1999 Ford F350 displays DTC P0352? The code indicates a misfire in cylinder #2, which is typically associated with the passe...
99 ford f350 | P03522002 Ford Explorer 4.0L Engine Fault Codes P1116, P1131, P3111, C1100, P0505, P1000 - Diagnosis and Solutions
My 2002 Ford Explorer 4.0L is currently displaying multiple OBD-II fault codes: P0505 (IAC circuit fault), P1000 (OBD system readiness test not complete), P1116 (ECT sensor out ...
2002 explorer 4.0 | C11002008 Nissan Frontier P3432 Code: What Does 'ENG Cylinder 4 Exhaust Valve Control Circuit High' Mean?
I own a 2008 Nissan Frontier with 130,000 miles. Recently, my "Service Engine Soon" light came on, and the diagnostic scan revealed fault code P3432: 'ENG Cylinder 4 Exhaust Val...
2008 Nissan Frontier | P34322003 VW Golf MK1 1.6L 16V - P0638 Diagnostic Code: Causes and Solutions
I recently performed a diagnostic check on my 2003 VW Golf MK1 1.6L 16V due to recurring starting issues, and the scan tool detected fault code P0638. This code indicates a prob...
2003 vw golf mk 1 | P06382004 Chevrolet Impala P0310 Misfire - Engine Won't Accelerate Past 10mph
I own a 2004 Chevrolet Impala with a 3.4L engine that fails to accelerate beyond 10 mph and exhibits a rough idle. I've already replaced the head gasket, spark plugs, and EGR va...
04 Chevy Impala | P03102000 Mitsubishi Eclipse 3.0L - P0300 Random Cylinder Misfire: ECT Sensor Role & Fuel Pressure Diagnosis
After completing a full tune-up—including spark plugs, wires, distributor cap, and rotor—I'm still experiencing a persistent P0300 random cylinder misfire code on my 2000 Mitsub...
2000 mitsubishi eclipse 3.0 | P0300P0132 OBD2 Code Diagnosis - 2005 Hyundai Accent: Vacuum Leak vs. Oxygen Sensor Failure
After driving my 2005 Hyundai Accent around the block several times, I've pulled the freeze frame data associated with the P0132 diagnostic trouble code. I'm looking for help id...
2005 Hyundai Accent | P0132P0155 O2 Sensor Heater Circuit Fault - Diagnosis and Fix for 2004 Chevrolet Silverado 2500 HD
My 2004 Chevrolet Silverado 2500 HD is displaying trouble code P0155, indicating a fault in the B2S1 oxygen sensor heater circuit. I'm looking for step-by-step guidance on how t...
2004 Silverado | P0155P0132 and P0441 Fault Codes: Diagnosis and Fixes for 2005 Hyundai Accent 1.6L
I'm experiencing persistent P0441 and P0132 diagnostic trouble codes on my 2005 Hyundai Accent 1.6L, and I'd greatly appreciate any guidance. The P0441 code has been present fo...
Hyundai Accent 2005 | P01322003 Jeep Grand Cherokee 4.7L P0302 Fault: Rocker Arm Detaches After Installation
After removing the valve cover on my 2003 Jeep Grand Cherokee with a 4.7L engine, I noticed that the rocker arm was simply lying loose. I replaced it with a new one and initiall...
2003 Jeep Grand Cherokee | P03022003 Impala P0137 and P0141 O2 Sensor Codes: Diagnosis and Fix
Hello, I own a 2003 Chevrolet Impala with 170,000 miles. The check engine light came on and the vehicle is showing fault codes P0137 and P0141. I replaced both original oxygen s...
2003 Impala | P0137P0720 Fault Code on 2004 Ford F250 4x4 V10 with 4R100 Transmission - Intermittent Engine Misfire and Stalling
I own a 2004 Ford F250 4x4 equipped with a V10 engine and a 4-speed automatic transmission (4R100). I'm currently experiencing an intermittent P0720 diagnostic trouble code, whi...
2004 F250 4x4 V10 4R100 | P0720P0202 Fault on 2013 Lincoln MKT 3.5L Turbo V6 - How to Diagnose Injector Circuit Malfunction
I'm experiencing a persistent P0202 fault on my 2013 Lincoln MKT with the 3.5L turbo V6 engine. I've already replaced all injectors, checked wiring harnesses, and tested each in...
MKT | P0202p0300 code on 2003 silverado
I recently changed my plug wires but am still getting a check engine flash at speeds above 50 when I used my obd reader it said p0300/01 and 02 thee truck does not idle rough or...
2003 Silverado | P03002004 Nissan Titan P0335 Code: Crankshaft Position Sensor Circuit Malfunction Diagnosis and Fixes
I recently purchased a 2004 Nissan Titan and, during the initial inspection using an OBD-II scanner, I received a P0335 diagnostic trouble code indicating a malfunction in the c...
2004 nissan titan | P033596 Chevrolet Impala Slow Start with OBD2 Code P0153 - O2 Sensor Bank 2 Sensor 1 Issue
My 1996 Chevrolet Impala has started exhibiting slow engine cranking, accompanied by a check engine light and diagnostic code P0153. The O2 sensor in Bank 2, Sensor 1 was recent...
96 Impala | P015396 Dodge Ram 2500 V10 OBD2 Codes P0144 and P0147: Do I Need to Replace the Oxygen Sensors or Catalytic Converter?
My 1996 Dodge Ram 2500 with an 8.0L V10 engine is showing OBD2 diagnostic codes P0144 and P0147, which repeat in that sequence. These codes are related to oxygen (O2) sensor rea...
96 Dodge Ram 2500 V10 | P0144Practical 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.