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.
P0125 Fault on Saturn SC1: Diagnosis and Solutions for Coolant Temperature Sensor Issues
My grandfather's 2003 Saturn SC1 has a P0125 diagnostic trouble code illuminated. The vehicle will not start and is running rich on fuel. We have already replaced the fuel pump,...
Saturn SC1 | P0125P0128 Fault Code Meaning for 2006 Honda Civic EX - What Does It Indicate?
What does the P0128 diagnostic trouble code mean for a 2006 Honda Civic EX? I've recently received this error code and would like to understand its cause and how to resolve it. ...
Honda Civic EX 2006 | P01281999 Jeep Grand Cherokee Cylinder 8 Missfire: Diagnosis & Fixes After Coil Pack and Plug Replacement
I own a 1999 Jeep Grand Cherokee with a persistent cylinder 8 missfire. I've already replaced the coil pack and spark plug for cylinder 8, but the issue persists. I'm wondering ...
99 Cherokee | P0308Ford C-Max 1.6tdci 2005 - Intermittent Fault Code U0073: CAN Bus Communication Issue
Hi, I own a Ford C-Max 1.6tdci from 2005 with approximately 100,000 miles. The vehicle is currently exhibiting an intermittent fault where the injector voltage and pulse are bei...
Ford C-Max | U00732010 Chevrolet Equinox P0011 and P0016 Error Codes: Diagnosis and Solutions for 2.4L Ecotec Engine
I'm experiencing persistent check engine light issues on my 2010 Chevrolet Equinox with a 2.4L Ecotec engine, showing trouble codes P0011 and P0016. I've already replaced the ca...
2010 Chevy Equinox | P00112008 Chrysler 300 2.7L Engine Missing with P0038 OBD2 Fault Code at 153,000 Miles
I own a 2008 Chrysler 3-00 2.7L engine vehicle that is experiencing a noticeable misfire and has triggered the P0038 diagnostic trouble code. The car currently has 153,000 miles...
2008 Chrysler 300 | P003807 Ford F150 PO303
truck runs good except when I go over some high hills, when I get near the top, engine starts to misfire. what would make the engine misfire only when at higher altitudes?
Ford F150 | P03031999 Chevrolet Suburban P0453 - Evaporative Emissions Control System Pressure Sensor High Input
My 1999 Chevrolet Suburban is showing a P0453 diagnostic trouble code, indicating a high input reading from the evaporative emissions control system pressure sensor. This code s...
1999 chevrolet suburban | P0453PO332 Fault Code in 2004 Chevy Silverado 4.8L: After Crankshaft Position Sensor Replacement
My 2004 Chevrolet Silverado with a 4.8L engine runs smoothly, but the check engine light has come on repeatedly. After clearing the code using an OBD2 scanner, the vehicle displ...
2004 Chevy 4.8 | P03322004 Ford Focus P2195 Code: Lean Mix Issue, Vacuum Leak or Fuel Pressure Problem?
This is my first time posting on a forum — I'm now considering visiting a repair shop for $$$$ work! I've already replaced the O2 sensors, MAF, TPS, and IAC, but after about 10 ...
2004 ford focus | P21952005 Nissan Sentra P2135 Fault - After TPS Replacement, Now Showing P0223 and P0123 Codes with Unstable Idle
Hi everyone, I recently encountered a diagnostic issue on my 2005 Nissan Sentra. The vehicle initially displayed code P2135, which led the auto shop to recommend replacing the ...
2005 Sentra | P01231998 Chevy 1500 P1351 Code: Ignition Switch Crack Causes Starting Failure?
I'm experiencing a persistent P1351 code on my 1998 Chevrolet 1500, which is preventing the truck from starting. I've already replaced all electrical components including igniti...
1998 Chevy 1500 | P13512000 VW Jetta P0135 and P0134 O2 Sensor Codes: Causes, Diagnosis, and Fan Circulation Issues
Hello everyone, My check engine light came on recently, and after scanning the system, I found two diagnostic trouble codes: P0135 and P0137. Both are related to oxygen (O2) se...
2000 VW Jetta | P01342006 Ford Taurus P0352 Code: Diagnosis and Fix for 3.0L Block Coil System
The OBD2 fault code P0352 in a 2006 Ford Taurus with a 3.0L engine indicates an issue with the ignition coil pack (COP) system. While this vehicle uses a block coil configuratio...
2006 Ford Taurus | P0352P0300 Random Misfire Diagnosis for 2009 Dodge Challenger SRT8 with 60K Miles and Nitrous Mods
I recently encountered a P0300 random misfire code on my 2009 Dodge Challenger SRT8, which has 60,000 miles and includes modifications such as a nitrous system (100-shot setup) ...
2009 Challenger SRT8 | P03002013 Dodge Dart 1.4 DDCT Fault Codes U11D4, U0401, U11D1, P1CC0 - Diagnosis and Fixes
My 2013 Dodge Dart with a 1.4L DDCT engine is displaying the following OBD2 diagnostic trouble codes: U11D4, U0401, U11D1, and P1CC0. I need help identifying what these codes me...
2013 Dodge Dart | U0401Practical 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.