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.
2011 Chevrolet Express 3500 U0100 Fault Code: Vehicle Shuts Off and Requires 30-Minute Idle to Restart
Hello, I'm experiencing a similar issue with my 2011 Chevrolet Express 3500 van. The vehicle shuts down completely and will not restart until it has been sitting idle for approx...
2011 chev express 3500 | U01002006 Audi A4 S-Line 2.0T Running Lean Bank 1 - Fault Code Diagnosis and Repair Help
I own a 2006 Audi A4 S-Line with a 2.0L TDI engine. About a month after purchasing the car, the engine light came on and displayed a 'Running Lean Bank 1' fault code. I took it ...
2006 Audi A4 | P0171P0014 and P0340 Fault Codes Explained: Diagnosis and Fix for 2002 Chevrolet Trailblazer
I'm currently dealing with two diagnostic trouble codes on my 2002 Chevrolet Trailblazer: P0014 (Camshaft Position - Bank 1) and P0340 (CMP Sensor Circuit Conditions). I've been...
2002 Chevy Trailblazer | P00142005 Chevy Malibu P0138 O2 Sensor Bank 1 Sensor 2 Fault Diagnosis
The check engine light is on and diagnostic code P0138 has appeared. This code indicates a high voltage circuit issue with the oxygen sensor in Bank 1, Sensor 2. What could be c...
2005 Chevy Malibu | P01381999 Cadillac Deville Still Shows P0118 After Replacing Coolant Temperature Sensor
Good afternoon, We recently replaced the coolant temperature sensor on our 1999 Cadillac Deville, but the vehicle continues to display the P0118 diagnostic trouble code (DTC). ...
1999 Cadillac Deville | P01182010 Chevrolet Silverado 5.3L LC9: P0122, P0223, P2135, C0242, U2100 - Limp Mode & Traction Control Failure After Replacing Throttle Components
My 2010 Chevrolet Silverado with a 5.3L LC9 engine is repeatedly entering limp mode and displaying 'Engine power reduced' and 'Service traction control'. The diagnostic trouble ...
2010 Silverado | C02421997 Geo Prizm P0141 O2 Sensor Code After Exhaust Replacement
After installing a complete new exhaust system on my 1997 Geo Prizm, the vehicle began displaying DTC P0141 — Oxygen Sensor Heater Performance (Bank 1, Sensor 2). I'm wondering ...
1997 Geo Prizm | P0141P0420 Fault on 2001 Ford Lightning After Incorrect Muffler Installation
I own a 2001 Ford Lightning with 54,000 miles and am currently experiencing a P0420 diagnostic trouble code. Initially, the vehicle showed a P0172 code, which I have since resol...
2001 Ford Lightning | P04202013 Hyundai Accent P2414 and P2191 Fault - Abnormal Shifting and Engine Bogging
I own a 2013 Hyundai Accent with an automatic transmission. After replacing the front oxygen sensor (Gamma) due to persistent fault codes P2414 and P2191, I'm experiencing signi...
2013 Hyundai Accent | P2191Engine Code P3447 on 2006 Chrysler 300 Hemi: Meaning and Repair Cost
I'm new to diagnosing engine light codes, but I've learned how to read them. My vehicle shows a code P3447, which translates to 'Cylinder 16 Exhaust Valve Control Circuit Low'. ...
Chrysler 300 Hemis | P34472008 Dodge Magnum Check Engine Light On: P0325, P0688, C2100, C220, U140E Fault Codes Explained
The check engine light has come on in my 2008 Dodge Magnum and remains steady. A diagnostic scan reveals several fault codes: P0325 (Knock Sensor Circuit Malfunction - Bank 1), ...
08 Dodge Magnum | C2100Ford Explorer 4.6L Engine Fault Codes P0358, P0581, P0307, and P0315 - Common Issues and Solutions
I'm experiencing multiple diagnostic trouble codes on my Ford Explorer with a 4.6L engine: P0358, P0581, P0307, and P0315. The vehicle shows intermittent misfires and rough idli...
Ford Explorer | P03072000 Ford Excursion 7.3L P0683 Error Code: Unable to Communicate with Glow Plug Module (GPM) - Relay vs Module Issue
I own a 2000 Ford Excursion with the 7.3L diesel engine and am currently experiencing the P0683 diagnostic trouble code, which indicates 'Unable to communicate with Glow Plug Mo...
2000 Ford Excursion | P06832004 Corvette C5 LS1 P0101 Code: Is MAF Sensor Fault Causing Transmission Failure?
Hi everyone, I recently had my 2004 Chevrolet Corvette C5 LS1 brought into a shop with a blown 4L60E transmission. The transmission was rebuilt about a year ago at 125,000 mile...
2004 Corvette C5 | P01012007 Chevy TrailBlazer Cold Weather Stalls & Fault Codes P0068, P0036, P0335, P2431 - No Fix for Crankshaft Travel Issue?
I've owned my 2007 Chevrolet TrailBlazer for three years and am experiencing recurring engine shutdowns and sudden power loss, all of which occur only in cold weather—typically ...
07 Chevy TrailBlazer | P00362006 Ford E350 5.4L Engine P0208 and P0308 Codes: Diagnosis and Solutions
I own a 2006 Ford E35
2006 E350 | P0208How to Fix P0123, P0223, P1233, and P1234 Error Codes on Mitsubishi Lancer 1.5L GLS
I recently encountered engine switch light issues on my Mitsubishi Lancer 1.5L GLS. After using an OBD2 scanner, the following diagnostic error codes were detected: P0123 (TPS A...
Lancer 1.5l GLS | P01232002 Chevrolet 2500HD 6.6L LB7 - P0380 Glow Plug Malfunction Circuit A Diagnosis & Solutions
I own a 2002 Chevrolet 2500HD with the 6.6L LB7 engine (California emissions model) and am currently experiencing a P0380 diagnostic trouble code: 'Glow Plug Malfunction Circuit...
2002 chevy 2500HD | P03802000 Mustang V6 P0455 Evaporative Emission System Leak Diagnosis and Repair Cost
I own a 2000 Mustang with a 3.8L V6 engine, base model. The check engine light is on, and the diagnostic tool has returned code DTC P0455 — indicating a leak in the evaporative ...
2000 Mustang V6 | P0455P0357 Fault Code in 2004 Town Car: Causes and Solutions After Warm-Up
My 2004 Ford Town Car exhibits a rough idle when running in gear after warming up for 10-15 seconds, which then resolves on its own. The only diagnostic code detected is P0357. ...
2004 Town Car | P0357Practical 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.