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.

Forum post list 12644 total topics
1

1998 Ford Taurus Cylinder 6 Misfire: Check Engine Light & No Heat - How to Diagnose and Fix

I recently purchased a 1998 Ford Taurus with 98,200 miles and am experiencing a persistent check engine light. The fault code consistently reads 'cylinder 6 misfire'. I've alrea...

1998 Ford Taurus | P0306
2014-02-03
6 comments
1

OBD2 Code 34-02 and 61-01 on 1999 Honda Odyssey V6: TPS and Battery Voltage Issues

I recently scanned my 1999 Honda Odyssey V6 and received OBD2 diagnostic codes 34-02 and 61-01. Code 34-02 is associated with the Throttle Position Sensor (TPS), while code 61-0...

1999 Honda Odyssey | P3402
2014-02-02
0 comments
2

2001 Volkswagen Beetle P225-P228, P0422 Fault Codes Explained: Injector & Catalyst Efficiency Issues

I own a 2001 Volkswagen Beetle with a 2.0L AEG engine and am currently encountering several diagnostic trouble codes: P225-P228 (injector circuit short to ground for cylinders),...

2001 Volkswagen Beetle | P0422
2014-02-01
2 comments
2

2001 Dodge Ram 2500 5.9L P0505 Code: How to Diagnose and Fix Throttle Body/IAC Issues

I'm experiencing a persistent P0505 code on my 2001 Dodge Ram 2500 with the 5.9L V8 engine. After cleaning the throttle body and replacing the Idle Air Control (IAC) valve, the ...

2001 dodge ram 2500 | P0505
2014-02-01
10 comments
S

P0303 Fault in 2006 Saturn Ion 2.2L Automatic: Causes and Diagnosis

I own a 2006 Saturn Ion with a 2.2L engine and automatic transmission. The vehicle is showing a P0303 diagnostic trouble code, indicating a misfire in cylinder 3. I've already r...

Saturn Ion | P0303
2014-01-31
1 comments
9

1998 Honda Integra OBD2 Codes P0171, P0174, and P0116 - Causes and Fixes

After recently repairing the exhaust system connected to the catalytic converter, my 1998 Honda Integra triggered the Check Engine Light within 20 minutes. The vehicle is now di...

98 Integra | P0116
2014-01-31
1 comments
G

P0107 Code on 2001 GMC Yukon SLT 5.3L After Engine Maintenance - Fix Guide

Hello everyone! I'm new to this forum and seeking some help with a recurring issue. I own a 2001 GMC Yukon SLT with a 5.3L V8 engine and rear-wheel drive. Recently, I replaced ...

GMC Yukon 2001 | P0107
2014-01-30
6 comments
2

2007 Chevrolet Suburban 5.3L with P0307 Code: No Compression in Cylinder 7 - Lifters or Valve Spring Issue?

My 2007 Chevrolet Suburban with 118,000 miles has recently thrown a P0307 diagnostic code indicating a misfire in cylinder 7. I've already replaced the spark plugs and coil pack...

2007 Suburban | P0307
2014-01-29
11 comments
2

2002 Winnebago 8.1L V8 Chevy Vortec: P0327 Knock Sensor 1 Circuit Low Input - Is Sensor 1 Different from Sensor 2?

I own a 2002 Winnebago Class A motorhome with an 8.1L V8 Chevrolet Vortec engine. The onboard diagnostic system has flagged a P0327 code: 'Knock Sensor 1 Circuit - Low Input'. A...

2002 Winnebago | P0327
2014-01-28
5 comments
1

1999 Ford Windstar P0305 and P0174 Misfire Issue - How to Fix After Replacing Coil and Wires

My 1999 Ford Windstar is showing fault codes P0305 and P0174. I've already replaced the spark plug wires and coil, but the misfire issue persists. The P0305 code indicates a mis...

1999 Ford Windstar | P0174
2014-01-28
1 comments
2

2005 Hyundai Elantra P0501 Fault: Possible Wrong Axle Replacement or Sensor Issue?

This vehicle is equipped with a manual transmission and does not have ABS. I recently replaced the right front axle several months ago, but I don't drive it regularly, so I'm un...

2005 Hyundai Elantra | P0501
2014-01-27
0 comments
2

P1132 Upstream Rich Fault Diagnosis - 2000 Ford Explorer 4.0L V6

My 2000 Ford Explorer 4.0L V6 is running roughly, especially at low engine speeds. It feels like the engine is flooding with fuel, and I've noticed a significant loss of power w...

2000 Ford Explorer 4.0L V6 | P1132
2014-01-27
3 comments
D

2003 Dodge Durango P0201 Fuel Injector Code: Diagnosis and Fix for Rough Idle and Misfire

Hi everyone, I'm troubleshooting my 2003 Dodge Durango SLT 4x4 with a 5.9L 'Z' engine (360/5.9). Recently acquired for around $1,100, the car has developed several issues after ...

Dodge Durango | P0201
2014-01-27
3 comments
M

Mitsubishi Galant 2000 V6 OBDII Code P0135: How to Fix Engine Lamp Issue

Hello, I own a 2000 Mitsubishi Galant with a 2.5L V6 engine (6A13 model). Recently, the engine warning light has been turning on repeatedly. Using an ELM327 OBDII scanner and Sc...

Mitsubishi Galant | P0135
2014-01-27
0 comments
1

P0443 OBD2 Code in 1996 Dodge Grand Caravan: No Start Issue and Purge Solenoid Fix

I recently discovered the correct fault code is P0443, which indicates a problem with the Evaporative Emissions Control System purge valve. My 1996 Dodge Grand Caravan has been ...

1996 Dodge Grand Caravan | P0443
2014-01-27
2 comments
2

2001 Chevy Cavalier ABS System Fault: How to Diagnose and Fix C1222, C1226, C1233 Codes

My 2001 Chevrolet Cavalier is showing multiple dashboard warning lights — service, ABS, and traction control — all lighting up simultaneously. I've tried using a MaxiScan MS309 ...

2001 Chevy Cavalier | P2177
2014-01-21
4 comments
2

2002 Ford Explorer P0775 Code: What Does It Mean and How to Fix It?

My 2002 Ford Explorer V8 with automatic transmission is experiencing hard shifting. The diagnostic trouble code P0775 has been detected, indicating an issue within the transmiss...

2002 ford explorer | P0775
2014-01-21
1 comments
2

2005 Chevrolet Cobalt 2.2L Engine P0171 Code: Causes and Solutions

I own a 2005 Chevrolet Cobalt with a 2.2L engine, currently at 104,000 miles. Occasionally—roughly once per year—the check engine light activates, and my OBD2 scanner reads code...

2005 chevrolet cobalt | P0171
2014-01-21
1 comments
1

1996 GMC Suburban 7.4L Engine Reving in Park/Neutral with P0507 and P1509 Codes

I've been experiencing recurring engine revving issues on my 1996 GMC Suburban with a 7.4L V8 engine. The vehicle consistently runs at 1500 to 2500 RPM when in park or neutral, ...

1996 GMC Suburban | P0507
2014-01-20
2 comments
Page 265 / 633 | 12644 topics

Practical 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.