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.
2003 Ford Expedition 5.4L Emissions Problems: Misfires, Stalling, and EVAP Leak
My 2003 Ford Expedition 5.4L engine is experiencing persistent emissions-related issues. After replacing the fuel pump, fuel filter, and upstream O2 sensors, the truck still sta...
2003 Ford Expedition | P2177P0304 Fault on 2007 Ford Ranger 3.0L V6 - Misfire in Cylinder 4 After Multiple Repairs
I'm experiencing a persistent P0304 diagnostic trouble code on my 2007 Ford Ranger with a 3.0L V6 engine. The check engine light comes on intermittently, flashing every 5 days a...
ford ranger | P03042006 Dodge Ram 5.7 Hemi Transmission Issue: P0700 and P1521 Codes Explained
I was driving normally when suddenly the RPMs spiked dramatically and the gas pedal became completely unresponsive. When I tried shifting gears, there was no response—no forward...
Unknown | P07002000 Dodge Dakota V8 Fault Code P0205 - Injector Circuit Issue
I own a 2000 Dodge Dakota with an V8 Magnum engine, and I'm currently experiencing a fault code P0205. The issue appears to be related to a circuit problem involving the fifth f...
2000 Dodge Dakota V8 | P02052008 Hyundai Tucson B1347 Code: Air Bag Light On, DAB Replacement Failed
I own a 2008 Hyundai Tucson with 122,000 miles. My extended service plan expired over 22,000 miles ago. Recently, the air bag warning light came on and has remained illuminated....
2008 Hyundai Tucson | B1347VW Caravelle 2003 Camshaft Position Sensor Bank 1 Failure - OBD2 Code P0016 Still On After Replacement
My VW Caravelle 2003 is showing a persistent engine light with OBD2 diagnostic code P0016, indicating a failure of the camshaft position sensor for Bank 1. I have already replac...
VW Caravelle | P03402010 Ford Fusion P0442 Code: What It Means and How to Fix It
Diagnostic Code: P0442 The P0442 trouble code in a 2010 Ford Fusion indicates a small evaporative emission system leak. This code is part of the vehicle's emissions control sys...
2010 Ford Fusion | P0442P1765 and P0753 Error Codes: Diagnosis and Fix for 2003 Jeep Grand Cherokee Laredo 4.0L 4WD
I'm experiencing error codes P1765 and P0759 on my 2003 Jeep Grand Cherokee Laredo with a 4.0L V6 engine and 4WD system. After reviewing common causes, the most frequently repor...
2003 Jeep Grand Cherokee Laredo 4.0L 4WD | P0753Evap Solenoid No Ground - Where Does the Ground Come From in ECM?
I'm experiencing an issue with my evaporative solenoid not having a proper ground connection. The vehicle's ECM is not providing a ground to the solenoid, and I'm unsure where t...
Evap Solenoid | P04562009 Chevrolet Aveo P0101 P0138 P1400 P2271 - Hesitation and Surging on Takeoff
My 2009 Chevrolet Aveo is experiencing hesitation followed by sudden surging during takeoff. The vehicle has been diagnosed with multiple OBD2 trouble codes: P0101 (Mass Airflow...
2009 chevy aveo | P01012008 Ford F-150 4.2L P0352 Code: No Spark, Misfire, Open Loop - Diagnosis & Fix
I own a 2008 Ford F-150 with a 4.2L engine and am currently experiencing a persistent P0352 diagnostic trouble code. I've already replaced the spark plugs, ignition wires, and t...
2008 Ford F-150 | P03522002 Fiesta 1.4 TDci P0336 Fault: Sensor Replaced, No MIL On, Engine Won't Start
I'm experiencing a persistent P0336 fault on my 2002 Fiesta 1.4 TDci. I've already replaced the crankshaft position sensor and checked all three wiring connections—no issues fou...
2002 Fiesta 1.4 tdci | P03362005 Hyundai Elantra P0170 Code: What Does Fuel Trim Bank 1 Mean?
I'm getting a P0170 diagnostic code on my 2005 Hyundai Elantra, which indicates a fuel trim issue in Bank 1. What does this mean exactly? How can I diagnose and fix it? Thanks,...
2005 hyundai elantra | P01702004 Honda Civic Coupe P0118 Code: Intermittent Overheating Despite No Engine Light
My 2004 Honda Civic Coupe is showing a P0118 fault code, and although the engine check light does not illuminate (as reported by other owners), the car frequently overheats at r...
2004 Honda Civic Coupe | P01182003 Tahoe OBD2 Codes P0141 and P0161 - O2 Sensor Issues and Fuse Solution
Hi everyone, I recently replaced all four oxygen (O2) sensors on my 2003 Chevrolet Tahoe, but two diagnostic codes—P0141 and P0161—still persist. When I use my OBD2 scanner t...
Tahoe | P0141P0303 Fault Diagnosis: 2008 Chevrolet Silverado Engine Misfire
I'm experiencing a persistent P0303 diagnostic trouble code on my 2008 Chevrolet Silverado. The engine exhibits a noticeable stumble or misfire, particularly under load. To tro...
2008 Chevy Silverado | P03032003 VW Polo P1031 Diagnostic Code: Causes and Solutions
I'm experiencing a P1031 diagnostic code on my 2003 Volkswagen Polo. The code indicates a failure in the exhaust gas recirculation (EGR) system, specifically related to excessiv...
2003 vw polo | P10311997 Dodge Grand Caravan Speedometer & Odometer Not Working: P0500 and P0720 Fault Codes Diagnosis
My 1997 Dodge Grand Caravan 3.8L V6 with automatic transmission has developed a speedometer and odometer failure. The speedometer and odometer are completely non-functional, tho...
1997 Dodge Grand Caravan | P05002001 Mitsubishi Montero Limited P0300 Random Misfire: Causes and Troubleshooting Guide
I own a 2001 Mitsubishi Montero Limited with 113,000 miles. Since December 22, 2015, the vehicle has triggered a P0300 random misfire code five times. The issue consistently occ...
2001 Mitsubishi Montero Limited | P0300Practical 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.