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.
1995 Ford Mustang P0340 Code: Camshaft Position Sensor A - Bank 1 Circuit Malfunction
I'm encountering the OBD2 diagnostic code P0340 on my 1995 Ford Mustang with a 3.8L engine, which reads as 'Camshaft Position Sensor A - Bank 1 Circuit Malfunction'. Will replac...
1995 Ford Mustang | P03402004 Dodge Stratus 2.4L - P0441 OBD2 Code: EVAP Emission Control System Purge Flow Fault
My 2004 Dodge Stratus with a 2.4L engine is showing intermittent check engine light activation. The fault code displayed is P0441, indicating an 'EVAP Emission Control System Pu...
2004 Dodge Stratus | P0441P0101 and P0422 Fault Codes on 2001 Kia Rio: Causes and Solutions
I recently encountered P0101 and P0420 fault codes on my 2001 Kia Rio. After clearing the codes multiple times, they returned alongside P0422. I replaced the air filter, which t...
2001 Kia Rio | P01011996 Ford Windstar OBD2 Fault Codes P1152 and P0302: Solutions After Replacing O2 Sensors
Hi everyone, I recently received fault codes P1152 and P0302 during a vehicle inspection on my 1996 Ford Windstar. I've already replaced both oxygen (O2) sensors, but the codes...
1996 ford windstar | P0302P0171 on a 1998 Dodge Stratus
Anyone dealt with this code after replacing the MAP sensor, EGR valve, O2 sensors, Fuel pump/regulator, plugs and wires? I get an inconsistent spark at idle and the plugs (main...
1998 Dodge Stratus | P0171OBD2 Code P0744 Explanation and Repair for 1998 Mercury Villager with 122,000 Miles
I'm experiencing OBD2 Diagnostic Code P0744 on my 1998 Mercury Villager, which has accumulated 122,000 miles. The Service Engine Light is currently illuminated. Can someone expl...
1998 Mercury Villager | P07441998 Chevrolet Silverado 6.5 Diesel P0101, P0401, P0236, P1409 Emissions Fault Codes - Diagnosis and Fixes
I own a 1998 Chevrolet Silverado 6.5L diesel engine and am currently experiencing persistent diagnostic trouble codes: P0101 (Mass Airflow Sensor Malfunction), P0401 (Exhaust Ga...
98 chevrolet diesel | P01012001 Honda Accord Automatic Transmission Fault Codes: P0700, P0730, P0740, P0780, P1739 - Can It Be Fixed Electrically or Does It Need a Full Transmission Overhaul?
I've completed a diagnostic scan on my 2001 Honda Accord EX 4-door sedan (4-cylinder), and the vehicle is displaying several transmission-related trouble codes: P0700, P0730, P0...
Honda Accord | P07002002 Toyota Camry P0420 Code: How to Diagnose Front or Rear O2 Sensor vs. Catalyst Failure
I own a 2002 Toyota Camry SE with 59,162 miles, equipped with a 3.0L V6 engine and automatic transmission. Recently, the check engine light came on. I took it to NAPA, where the...
2002 Camry | P04202003 Honda Civic P1601 and P1435 OBD-II Diagnostic Code Explanation
Hello, I'm looking for information about the OBD-II diagnostic codes P1601 and P1435 that appear on my 2003 Honda Civic. Could anyone please explain what these codes mean and t...
2003 Honda Civic | P14351997 Ford Contour P1131 and P0171 Lean Mix Error: Causes, Diagnostics & MAF Sensor Considerations
I own a 1997 Ford Contour with a 4-cylinder engine, currently at 107,000 miles. I'm experiencing several driving issues: the vehicle sometimes stalls after starting, has rough i...
97 Contour | P0171BMW Z4 2003 3.0i OBD Code 1415 Explanation and Troubleshooting
I own a 2003 BMW Z4 with the 3.0i engine and am consistently encountering OBD II diagnostic code 1415 related to the powertrain system. What does this error code mean, and how c...
BMW Z4 | P1415GM Vortex P0300 Fault: Humidity-Related Engine Shutdown & Fuel Flow Issues
I'm experiencing a recurring issue with my GM Vortex van, specifically code P0300 (Random/Multiple Cylinder Misfire Detected). The problem has worsened over the past two weeks. ...
GM Vortex | P03002001 Ford Taurus P0301 Code: How to Diagnose and Test the Coil Pack
My 2001 Ford Taurus has recently started showing a P0301 diagnostic code. I've been dealing with a P0302 code for about two weeks, but the issue seems to have evolved. When I le...
2001 Ford Taurus | P03012000 Buick Regal LS P0131 Code: Acceleration Issues and MAP Sensor Diagnosis
Hi, I own a 2000 Buick Regal LS with 71,000 miles. Recently, the car has become unresponsive during acceleration. When I press the accelerator pedal, RPMs increase slowly but th...
Regal | P01312003 Ford F150 4.6L Engine P0172 & P0174 Codes: Diagnosis and Repair Questions After Multiple Dealer Visits
My 2003 Ford F15-0 with 89,000 miles has been experiencing severe performance issues. The engine idles smoothly in park but stalls or runs poorly when shifted into gear—typicall...
2003 F150 | P0172Mitsubishi Eclipse 2000 P0141 Code: Replaced O2 Sensor Bank 1 Sensor 2 — Still Getting Error?
I recently received a P0141 (Bank 1 Sensor 2) code on my sister's 2000 Mitsubishi Eclipse. I replaced the oxygen sensor located at the bottom of the downpipe with a new aftermar...
Mitsubishi Eclipse 00 | P0141Chevrolet Avalanche 2002 P0300 Code: Possible Leaking Injector Diagnosis and Fuel Pressure Issues
My 2002 Chevrolet Avalanche has reached 90,000 miles. The engine starts smoothly when cold and has sat for at least 6 hours. However, when warm and after a 5-minute rest, it tak...
Chev Avalanche | 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.