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.
2002 Jeep Grand Cherokee P0141 & P0161
About a month ago my 2002 Jeep Grand Cherokee, which has 105,000, died on the highway. After it cooled completely, it would start but only run for about 15 minutes before dying...
2002 Jeep Grand Cherokee | P0141'96 Ford Windstar - P0304 misfire anomaly
BRAND NEW TO YOUR FORUM ... PLEASE BE PATIENT WITH ME! I have a '96 Ford Windstar that has approx 135k miles on it's 3.8l engine. I keep getting the OBD code "P0304" indicating ...
96 Ford Windstar | P03042004 Chevy Impala 3.4L SFI - P0172 Code After Fuel Pump Regulator Replacement
I'm seeking advice on a recurring issue with my 2004 Chevrolet Impala 3.4L SFI engine. The vehicle currently has around 60,000 miles and has been the subject of significant repa...
04 Impala | P0172P0420 Code on 2001 Toyota Corolla: Could Mechanic Work Have Caused It?
I recently had my 2001 Toyota Corolla serviced at a Toyota dealership for an oil change last week. The following work was completed: 1. Oil change 2. Replacement of the air fil...
2001 Toyota Corolla | P04202003 Pontiac Grand Am P0404 Code: EGR Circuit Open - Diagnosis and Fix Guide
I noticed my SES light came on while driving home yesterday. I visited Advance Auto to have the code scanned, and it returned a P0404 diagnostic trouble code. The description in...
2003 Pontiac Grand Am | P04042006 Ford Fusion P0451 Code: Post-Collision Intake Manifold Repair Causes Poor Acceleration and Air Leak Symptoms
Hi, I have a 2006 Ford Fusion 2.3L automatic with a history of collision damage. During the accident, the intake manifold was broken. We replaced it and reassembled the unit. Si...
2006 FORD FUSION | P04512001 Buick LeSabre 3.8L V6 Repeated P1404 EGR Code After Four Valve Replacements - Diagnosis & Bench Testing Options
I own a 2001 Buick LeSabre with a 3.8L V6 engine. The vehicle has been consistently triggering the P1404 diagnostic trouble code (DTC), which indicates a pintle valve stuck open...
Unknown | P04001996 Honda Accord P0401 Code: How to Fix EGR System Issues and Clean Intake Ports
I own a 1996 Honda Accord with 190,000 miles and have been consistently receiving a P0400 code. Despite cleaning the EGR valve twice, verifying its vacuum hold using a vacuum pu...
96 Honda Accord | P0401OBD2 Code P1131 on 2002 Ford Taurus Vulcan 3.0L V6: O2 Sensor Location & Diagnosis Guide
I'm currently troubleshooting a persistent OBD2 fault code P1131 in my girlfriend's 2002 Ford Taurus with the Vulcan 3.0L V6 engine, which has accumulated 122,000 miles. The veh...
2002 Taurus | P11312001 Ford Windstar P1409 Code: EVR Control Circuit Fault - How to Fix
I own a 2001 Ford Windstar that is currently displaying a P1409 diagnostic trouble code, indicating an Electronic Vacuum Regulator (EVR) control circuit fault. The term 'EVR' is...
2001 Ford Windstar | P14092001 Ford Windstar p1409
I have a 2001 ford windstar that is popping a P1409 code. an EVR control circuit fault. Electronic vacuum control circuit fault. Nobody I have spoken to has heard of EVR. Ca...
2001 Ford Windstar | P14092003 Jetta TDI P0673 and OBD2 Code 00283 ABS - Front Left Wheel Speed Sensor Issue After Replacement
I'm currently experiencing two diagnostic trouble codes on my 2003 Jetta TDI: P0673 and OBD2 code 00283 (front left ABS wheel speed sensor). I have already replaced all the glow...
2003 Jetta TDI | P06732003 Volkswagen Jetta 1.8T: P0300, P0301, P0302, P0303, P0304, P0106 - Multiple Cylinder Misfires and MAP/MAF Sensor Issues
Hi everyone, My 2003 Volkswagen Jetta 1.8T is showing multiple misfire codes: P0300 (random misfire), P0301 through P0304 (individual cylinder misfires), and P0106 (Manifold Ab...
03 Jetta 1.8T | P0106P1624 OBDII Fault Code for 2002 Saturn SL1: Causes and Diagnosis Guide
I'm currently troubleshooting a P1624 OBDII fault code on my 2002 Saturn SL1, and I have a few questions. Does an OBDII diagnostic code like P1624 mean the same thing across all...
2002 Saturn SL1 | P16242000 Lincoln LS P1572 Fault Code: Idle Control and Auxiliary Input Issue - How to Fix?
My 2000 Lincoln LS engine light is on, and my OBD-II scanner shows fault code P1572. The code indicates an issue with the Idle Control system and Auxiliary Input. I've done seve...
2000 Lincoln LS | P15721999 Chevy Silverado P0327, P0171, and P0174 Diagnosis: Lean Mix Issues and Sensor Troubleshooting
I own a 1999 Chevrolet Silverado 1500 4.3L V6 with an automatic transmission. The vehicle is exhibiting persistent engine misfires and lean air-fuel mixture codes—P0327 (Knock S...
1999 Chevy Silverado | P0171P0300 Random Misfire Diagnosis on 1997 Chevrolet Silverado 4X4 with O2 Sensor Code P0157
My 1997 Chevrolet Silverado 4X4 with a 350 engine was running smoothly when I left for the store. Upon returning, the vehicle started with a noticeable misfire and lost power wh...
1997 Silverado 4X4 | P0300P0455 Diagnostic and EVAP Leak Solution for 1998 Porsche New Beetle
I've been consistently receiving a P045-5 diagnostic code indicating an EVAP system leak (gross leak) on my 1998 New Beetle. I've thoroughly inspected all vacuum hoses and fuel ...
1998 New Beetle | P0455Nissan Almera 2.2 TD W Reg P1251 Fault Code: Air Mixture Solenoid Circuit Malfunction
Hi everyone, I own a 2000-2003 registered Nissan Almera 2.2 TD model, and recently it has stopped running unexpectedly. The onboard diagnostic system is showing fault code P125...
nissan almera 2.2 td w reg | P1251Practical 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.