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.
2000 Chevy S10 P0452 and P0453 Codes: Fuel Pump Issue After Replacement at 120,000 Miles
I own a 2000 Chevrolet S10 with a 4.3L engine and have reached approximately 120,000 miles. About six months ago, I had to replace the entire fuel pump assembly—my mechanic stat...
2000 S10 | P0452P0700 & P1870 Code on 1998 S-10 4x4 Automatic: Possible Transfer Case Switch Issue
I own a 1998 Chevrolet S-10 4.3L V6, 4x4 automatic transmission. I've had it for about a year and have been consistently receiving the P1870 code (and associated P0700 code) sin...
S10 4x4 | P0700P0303 Fault on Smart Fortwo Diesel - Cylinder 3 Misfire Diagnosis
Hi everyone, I'm looking for help with a P0303 fault on my Smart Fortwo diesel model. The check engine light is illuminated, and after using an OBD2 scanner, the diagnostic res...
SMART FORTWO DIESEL | P030397 chevy suburban w/ P0308
On a 97 Chevy Suburban 1500, 4WD , auto trans w/ o.d. , 5.7 liter, w/ a code P0308. Engine runs rough and P0308 is present on scan tool.Any encounters?
97 chevrolet suburban | P0308P0300 Misfire Diagnosis on 1996 Chevrolet Corsica After 3400 Engine Swap
I recently performed an engine swap, installing a 3400 engine into my 1996 Chevrolet Corsica, which originally had a 3100 engine. The vehicle previously experienced a cylinder 6...
corsica | P0300'01 Durango 4.7L - P0304 cylinder misfire
This is the first time for me to use any forum for help; but as I have been reading they seem very helpful. I have a 2001 Durango, 4.7L with a P0304 code. I know its #4 cylind...
Durango | P0304How to Diagnose P0306 Fault on a 1998 Toyota 4Runner: Fuel Injector Testing & Replacement Guide
I'm trying to diagnose the P0306 fault on my 1998 Toyota 4Runner and need clear guidance on how to test each fuel injector individually. If I have to remove the intake plenum to...
98 4 Runner | P0306P0500 Vehicle Speed Sensor Issue in 1996 Nissan Maxima: Diagnosis and Solutions
I own a 1996 Nissan Maxima and am currently experiencing recurring P0500 (Vehicle Speed Sensor) trouble. For the first time, my mechanic scanned the vehicle and detected both P0...
1996 Nissan Maxima | P0500Common Causes of P0736 Diagnostic Code in 1997 Dodge Stratus - What You Need to Know
What are the most likely causes of the P0736 diagnostic code in a 1997 Dodge Stratus? Is this fault code common for this model year and vehicle type? Can you provide insight int...
1997 Dodge Stratus | P0736P1151 and P1131 Fault Codes - 2003 Ford Expedition XLT 4.6L Engine Diagnosis
The vehicle exhibits rough idle when reaching approximately 165°F engine temperature, despite confirmed good MAP sensor readings, new Bosch O2 sensors, fresh IAC valve and spark...
2003 Ford Expedition XLT | P1131P0505 2001 Maxima
Has anyone had this problem and did you discover that it was the Idle Air Control Valve or something else. Please tell me your experience. Thanks for any help. DB
2001 Maxima | P0505'99 Nissan Quest P0105-P0325-P1605-P0446-P1400-P1705 andmore
Howdy all of you, I have a problem (maybe more than one) that I am trying to troubleshoot on my Nissan Quest '99 GXE (111 000 km/69,000 mi). The MIL is on. The engine has begun ...
99 Nissan Quest | P0105P0125 Fault on 2000 Ford Escort Zx2: Engine Won't Turn Over Despite No Overheating or Leaks
I own a 2000 Ford Escort Zx2 and recently encountered a check engine light that triggered a P0125 diagnostic code. While driving home, the S.E.S. illuminated, and after visiting...
ford escort | P0125Jeep 99 Grand Cherokee PO441 Code: What It Means and How to Fix It
I have a 1999 Jeep Grand Cherokee with a diagnostic code PO441, which indicates an issue with the Evaporative Emission Control System (EVAP) — specifically, an incorrect purge f...
jeep 99 | P04412000 Jetta GLS Check Engine Code P1128: Causes, Fixes & Solutions
I own a 2000 Volkswagen Jetta GLS 2.0L 4-cylinder with 92,000 miles. The check engine light has been on since day one — I purchased the vehicle at 82,000 miles. Initially, afte...
2000 Jetta GLS | P1128Practical 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.