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
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How to Fix P0353 OBD2 Code on 2003 Mercury Sable 3.0L OHV Engine

Troubleshooting and fixing OBD2 code P0353 on a 2003 Mercury Sable with a 3.0L OHV engine involves identifying issues related to the ignition coil. This fault code typically ind...

mercury sable | P0353
2014-10-13
1 comments
M

P0028 OBD2 Error Code in 2011 Mazda CX9: Symptoms and Diagnosis

I recently received a P0028 diagnostic error code from my OBD2 scanner on a 2011 Mazda CX9. The vehicle exhibits no movement when shifted into Drive (D) or Reverse (R), and the ...

MAZDA CX9 | P0028
2014-10-12
1 comments
2

P1633 Diagnostic Code on 2005 Ford Explorer: Causes and Solutions

车主在2005年款福特探险者上遇到了P1633故障码。该代码通常与KAM(Keyless Access Module)电路的电压问题相关,可能由车辆电气系统中的断路、短路或供电不足引起。 建议首先检查发动机舱及车内所有保险丝,确保没有熔断或松动情况。同时需确认充电系统和蓄电池工作正常,因为电池故障或发电机问题可能导致P1633码触发。 由于KAM电...

2005 Ford Explorer | P1633
2014-10-12
1 comments
2

2002 Chrysler Caravan Transmission Issues: P0720, P0730, P0721 Fault Codes and Speed Sensor Problems

I own a 2002 Chrysler Caravan and am experiencing a serious issue with the speedometer and transmission behavior. The speedometer now reads 20 mph while the vehicle is completel...

2002 Caravan | P0720
2014-10-11
1 comments
2

2004 Ford Freestar No Reverse Gear with P0701 Code

I'm experiencing no reverse gear in my 2004 Ford Freestar, and the check engine light is on with fault code P0701. This code indicates a pressure sensor circuit issue in the tra...

2004 Free Star | P0701
2014-10-11
1 comments
2

2011 Jeep Liberty Jet P0420 Fault: Catalytic Converter Issue and DIY Troubleshooting Guide

I recently drove my 2011 Jeep Liberty Jet approximately 20 miles after filling up at a Shell gas station. During the trip, the check engine light activated. I first checked the ...

2011 Jeep Liberty Jet | P0420
2014-10-10
1 comments
2

2005 Kia Rio Base Sedan: Recurring P0101 and P0455 Codes - Diagnosis and Solutions

I've been experiencing persistent engine trouble codes on my 2005 Kia Rio Base Sedan with automatic transmission, currently at 77,000 miles. The issue has persisted since I purc...

2005 Kia Rio base sedan | P0101
2014-10-09
4 comments
2

2002 Hyundai Sonata GLS V6 P0157 O2 Sensor Bank 2 Sensor 2 Fault: Replaced 4 Times, Code Returns Immediately

I recently encountered the P0157 diagnostic trouble code (DTC) on my 2002 Hyundai Sonata GLS V6. The code specifically points to a failure in O2 sensor bank 2, sensor 2. I have ...

2002 Hyundai Sonata GLS V6 | P0157
2014-10-09
1 comments
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How to Fix Nissan Sentra 2005 P0171 OBD2 Code - Step-by-Step Solution

If your 2005 Nissan Sentra with a 1.8L engine is displaying Diagnostic Trouble Code P0171, it indicates a lean air-fuel mixture in the intake system. This code typically points ...

nissan sentra 2005 | P0171
2014-10-09
1 comments
2

2005 Jeep Wrangler X 4WD: P0700 and P0846 Error Codes Explained - Transmission Issues and Solutions

Over the past few months, my check engine light has intermittently come on in my 2005 Jeep Wrangler X 4WD. Each time, I've been seeing the same error codes: P0700 and P0846. I'm...

2005 Jeep Wrangler X 4WD | P0700
2014-10-08
1 comments
2

2005 Lincoln Town Car Multiple Codes P0102 P0174 P0351 P0352 P0353 P0354 P2106 P2195 P0183 P0194

2005 Lincoln Town Car 4.6L engine having Coil On Plug (COP) ignition I'm getting misfire codes on the entire right (passenger) bank. The entire list of codes minus pending dupli...

2005 Lincoln Town Car | P0102
2014-10-08
19 comments
9

1997 Ford Motorhome V-10 Engine P0309 Cylinder 9 Misfire: Troubleshooting and Spark Plug Removal Guide

I own a 1997 Ford Motorhome equipped with a V-10 engine, and I'm currently experiencing a P0309 diagnostic trouble code indicating a misfire in cylinder 9. The vehicle exhibits ...

97 Ford Motorhome | P0309
2014-10-08
1 comments
0

2005 Dodge Stratus 2.7L 6-Cylinder P0133, P0138, and P2096 Codes: One Issue or Multiple Problems?

I own a 2005 Dodge Stratus with a 2.7-liter 6-cylinder engine. I'm currently experiencing three persistent OBD2 diagnostic codes: P0133 (O2 Sensor 1/1 Slow Response), P0138 (O2 ...

05 Stratus | P0133
2014-10-08
5 comments
2

2011 Chevy Cruze 1.4L Turbo P0229 Code: Turbo Under Boost Symptoms and Fixes

My 2011 Chevrolet Cruze 1.4L Turbo is experiencing intermittent shudder at idle and sudden surging when accelerating, especially on hills or during passing. This behavior has pe...

2011 Chevy Cruze 1.4L Turbo | P0229
2014-10-07
0 comments
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P2196 O2 Sensor Bank 1 Sensor 1 Fault on 2007 Ford F-150 4.2L - Diagnosis & Fixes

Hi, I'm having an issue with my 2007 Ford F-15 Traction XL equipped with a 4.2L engine. The check engine light is on and the fault code read is P2196: 'O2 Sensor Signal Biased/S...

ford f-150 | P2196
2014-10-07
3 comments
2

2006 Jeep Grand Cherokee P0300 Fault: Cold Start Running Rough, Diagnosis Tips and Solutions

I'm experiencing a P0300 random misfire code on my 2006 Jeep Grand Cherokee with the 3.7L engine. The vehicle runs roughly during the first few minutes after starting, especiall...

2006 Jeep Grand Cherokee | P0300
2014-10-06
4 comments
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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.