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.
2006 Mazda Tribute P0171: System Too Lean - Diagnosing MAF vs Vacuum Leak Causes
Hi everyone, I'm reaching out about a 2006 Mazda Tribute with a 4-cylinder engine that's experiencing significant idle roughness after stopping and occasional stutters during ac...
2006 Mazda Tribute | P01712000 GMC Astro Van P0300 Misfire: Fuel Pump Replacement, Cap/Rotor Issues & Coil Diagnosis
At 135,000 miles, my 2000 GMC Astro Van experienced a fuel pump failure. The first replacement was an aftermarket O'Reilly unit, which immediately triggered a P0300 misfire code...
Astro Van | P03002004 Chevrolet Trailblazer P0455 Error: Gas Leak Repair and Loose Gas Cap Issue
I recently experienced a significant issue with my 2004 Chevrolet Trailblazer. A gas leak was detected above the fuel tank, leading to an estimated repair cost of approximately ...
2004 Trailblazer | P04552006 Jeep Commander DTC 0308: Spark Plug and Engine Misfire Diagnosis
Hi everyone! I'm new to this forum and recently purchased a used 2006 Jeep Commander from CarMax. I love the vehicle, but I've been consistently getting DTC 0308 (Cylinder 8 Mis...
jeep commander 06 | P03081996 Toyota Tacoma P0171 Code: Fuel Trim Lean Issue Diagnosis and Fix
I own a 1996 Toyota Tacoma with 4WD (2WD in this case), automatic transmission, and approximately 170,000 miles. The only diagnostic trouble code I've detected using an Actron h...
96 Toyota Tacoma | P01712000 Sienna P0420 After Exhaust Repair: Is Muffler Cement Causing the Code?
I have a 2000 Toyota Sienna that has been well maintained since new. The flex pipe, located about one foot from the exhaust converter, was leaking and a local shop replaced it w...
Unknown | P04201998 Chevrolet Camaro LS1: P0131 & P0151 Lean Codes During Hard Acceleration - Diagnosis and Fixes
I recently purchased a 1998 Chevrolet Camaro with an LS1 5.7L V8, six-speed manual transmission, and 82,000 miles on the odometer to use as my daily driver. I'm currently experi...
1998 Camaro | P0131Nissan Micra 2006 (Ireland) - Power Steering Failure with Code C1606
Hello everyone, I'm new to the forum and hoping for some help. I currently have a 2006 Nissan Micra in Ireland. The power steering light has come on and remains lit permanently...
Nissan Micra | C1606Astra MK4 1993 Twinport Engine Z16XEP Fault Code P1116 - Coolant Temperature Sensor vs Sender Replacement Guide
Does anyone know if the coolant temperature sensor and coolant temperature sender are the same specification on the Astra MK4 (1993) Twinport model? I currently have a spare coo...
Astra mk4 | P1116P1260 Fault in 1998 Mustang Cobra: Causes and Diagnosis After Engine Dies Mid-Drive
My 1998 Mustang Cobra died after being driven for about 30 minutes and turned onto my street. The vehicle now will not start. I've been researching the P1260 diagnostic code, wh...
98 Mustang Cobra | P1260P300, P302, P308, P316, P1336 – 2003 Lincoln Aviator 4.6L Misfire Diagnosis & Repair Advice
I recently encountered a persistent engine misfire issue on my 2003 Lincoln Aviator with a 4.6L V8 engine (91,000 miles). The problem began about one month and a half ago when t...
2003 Lincoln Aviator | P13361997 Ford F150 Lariat 4x4 4.6L Engine OBD2 Code P1455 - Troubleshooting Guide
I recently diagnosed an OBD2 fault code P1455 on my 1997 Ford F15-0 Lariat 4x4 with a 4.6L engine and approximately 140,000 miles. The vehicle is currently displaying Code P1455...
1997 F150 Lariat 4X4 | P14551999 Pontiac Sunfire PO303 Code - Cylinder #3 Misfire: Coil or Coil Cover? | No Start Diagnosis
My 1999 Pontiac Sunfire with a 2.4L engine has suddenly stalled and will not start. The onboard diagnostic system shows a PO303 code indicating a misfire in cylinder #3. Possibl...
1999 pontiac sunfire | P03031999 Saturn SL2 P0410 Fault: Secondary Air Pump Not Grounded or Cycling Correctly
I'm experiencing a P0410 diagnostic trouble code with the SES light illuminated on my 1999 Saturn SL2. The air pump fuse (30 amp) has been tested and is functioning properly. I'...
1999 Saturn SL2 | P04102004 Chevy Blazer P0101 Code: Poor Acceleration, Stalls at Low RPMs - Diagnosis & Fixes
I have a 2004 Chevrolet Blazer displaying trouble code P0101. The vehicle fails to accelerate beyond 2500 RPM and often stalls while driving. Acceleration is severely limited, m...
2004 Chevy Blazer | P0101Infinity i35 P0507 Fault Code: Idle Air Control Issue and Smog Test Solution
Hello, I recently encountered fault code P0507 (Idle Air Control System RPM Higher Than Expected) after cleaning the throttle body to resolve a previous issue. My engine current...
Infinity i35 | P05072002 Volkswagen Passat P0705 Fault: Transmission Slipping and Gear Shift Issues After ATF Leak
Hi, I'm experiencing a transmission issue on my 2002 Volkswagen Passat after an automatic transmission fluid (ATF) leak. Following the fluid refill, the car now moves slowly in ...
2002 Passat | P0705Practical 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.