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.
P0301 OBD Code Reappears on 2001 Ford Windstar with 3.8L Engine - Diagnosis and Fixes
I own a 2001 Ford Windstar with a 3.8L engine. Two years ago, the check engine light started coming on, and my OBD scanner displayed code P0301, indicating a misfire in cylinder...
2001 Ford Windstar | P03012006 JDM RX-8 P0354 Fault Code: What Does It Mean and Which Coil Pack Is Affected?
My 2006 JDM RX-8 has triggered the Check Engine Light (CEL). After scanning the vehicle, I received fault code P0354. I'm trying to understand what this means — specifically, do...
Rx8 | P0354P0301 and P0316 Fault Codes - 2004 Mercury Monterey at 86,000 Miles
Before the Malfunction Indicator Lamp (MIL) illuminated, I noticed a rough idle and difficulty maintaining speed under load around 40 mph. I'm looking for possible causes of the...
2004 Mercury Monterey | P03012002 Dodge Ram 1500 P0748 Fault: Causes and Diagnosis Guide
I'm experiencing a P0748 diagnostic code on my 2002 Dodge Ram 1500, which indicates a pressure control solenoid A electrical fault. What are the most common causes of this issue...
Dodge Ram 1500 | P0748EVAP Leak Small Diagnosis in a 9-Year-Old Chrysler Vehicle: Possible Causes and Solutions
Could an EVAP leak small be the source of the issue in my 9-year-old Chrysler vehicle? The rust erosion on the fuel system appears significantly more severe than expected for it...
unknown | P04401996 Ford F-150 Idle High with OBD-II Code 1351 - ICM Circuit Fault
My 1996 Ford F-150 is experiencing a high idle issue and has been displaying OBD-II diagnostic code 1351, indicating an ICM (Ignition Control Module) circuit fault. I've already...
96 f-150 | P13512005 Dodge Stratus SXT Limited to 2300rpm in All Gears - P0325, P0340, P0344 Knock and Cam Sensor Fault
I own a 2005 Dodge Stratus SXT 4-door with a 2.4L inline-4 MPI engine. My vehicle intermittently enters a limp mode where it is limited to 2300 RPM in all gears, despite shiftin...
Stratus | P0325P0131 Fault Diagnosis on 1995 GMC Jimmy 4.3L V6 with Intermittent Miss-Fire and Power Loss
Hi everyone, this is my first post here — I'm eager to improve my vehicle diagnostics skills through community input. I own a 1995 GMC Jimmy with a 4.3L V6 engine (W-code), 4x4...
1995 GMC Jimmy | P013198 Montana 3.4 P0300
Here goes, got a 98 Montana with a 3.4 throwing a P0300 code. It idles rough and no other codes are thrown. I have: -Plugs are new AC Delco gapped @ .06 -Plug wires are new -Ohm...
98 Montana | P0300P0132 1997 Dodge Ram Van
1997 Dodge Ram Van. Automatic. Our van has recently started stalling, seems to be almost random when it stalls. We took it to AutoZone and we got the code read out of P0132. The...
1997 Dodge Ram Van | P01322003 Buick Rendezvous PO453 Code: Causes and Fuel Gauge Issues
I've researched the PO453 diagnostic code for my 2003 Buick Rendezvous, but I'm wondering if this could also be causing erratic fuel gauge readings—showing low fuel one moment a...
03' Buick Rendezvous | P0453Ford Ranger P0171 and P0174 Fault Diagnosis: Vacuum Leak or Fuel Pressure Issue in 4.0L Engine (2001 Model)
If your Ford Ranger (2001, 4.0L engine) is displaying OBD-II fault codes P0171 and P0176, start by checking for vacuum leaks — this is a common root cause. Many users have repor...
Ford Ranger | P01712002 Ford Escort ZX2 P0351 Code: Misfire and Intermittent Crank Sensor Suspected
My son took the 2002 Ford Escort ZX2 to school this morning, and the car started but ran with a noticeable misfire. It ran smoothly yesterday without any issues. A P0351 diagnos...
2002 Escort ZX2 | P035198 Mitsubishi Montero Sport P0141 O2 Sensor Heater Circuit Fault - Diagnosis and Fix
I recently purchased a 1998 Mitsubishi Montero Sport (3.0L, 4x4, 175,000 miles) for my dad. The vehicle has several issues that need addressing before regular use. I replaced t...
98 Mitsubishi Montero Sport | P0141PO335 Fault Code: Location of Crankshaft Position Sensor on 2003 Altima 2.5 and Engine Stalling Issue
I'm looking for the exact location of the crankshaft position sensor on a 2003 Nissan Altima 2.5 with a PO335 fault code, which is causing the engine to stall. Can anyone confir...
Unknown | P0335Practical 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.