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.
2001 Nissan Maxima P0140, P1320, and P0430 Fault Codes - Engine Light & Slip/Trac Light On
My husband's 2001 Nissan Maxima is showing three persistent fault codes: P0140, P132-0, and P0430. The check engine light remains on continuously, and the slip/traction control ...
Nissan Maxima | P01401997 Subaru SVX P0202/P0204/P0206 Fuel Injector Open Codes - Rough Idle and Loss of Power
I recently performed a compression test on my 1997 Subaru SVX, and now the vehicle exhibits a rough idle and significant loss of power. The onboard diagnostic system shows codes...
1997 Subaru SVX | P020298 Toyota 4Runner V6 4WD: Catalytic Converter & O2 Sensor Stolen, Now Showing P0130, P0133, P0135 After Replacement
My daughter's 1998 Toyota 4Runner with a 6-cylinder engine and 4-wheel drive has experienced theft of the catalytic converter and oxygen sensor. The thief also damaged the O2 se...
Cat | P0130P0125 and P1135 Trouble Codes - 1999 Lexus RX300 Engine Diagnosis
Re: 1999 Lexus RX300 3.0L engine - experiencing two persistent trouble codes: P0125 and P1135. The check engine light is currently on. The Mass Air Flow (MAF) sensor was recentl...
1999 Lexus RX 300 | P01252004 Lancer P0340 Fault: No Start After Cam Sensor Replacement
I own a 2004 Mitsubishi Lancer with a 2.0L engine. While driving, the vehicle suddenly stalled and will not restart. I refilled the fuel tank but still cannot start it. Using an...
04 Lancer | P03402003 Dodge Durango 4.7L Engine P0123, P0113, and P0108 Fault Codes - Causes and Fixes
My 2003 Dodge Durango with a 4.7L engine has reached 110,000 miles. After picking it up from the dealership, I noticed the vehicle was running roughly, as if only three cylinder...
2003 dodge durango | P01082001 Dodge Dakota Quad Cab 4.7L P0171 Code: Diagnosis and Fix with Vacuum Leak, O2 Sensor, and EVAP Insights
Hi everyone, I'm having an issue with my 2001 Dodge Dakota Quad Cab equipped with a 4.7L V8 engine, currently at around 127,000 km. Recently, the vehicle has triggered the P0171...
2001 Dodge Dakota Quad Cab | P0171P0161 and P0141 O2 Sensor Codes on Land Rover Discovery - Diagnosis and Fixes
I recently encountered two diagnostic trouble codes: P0161 and P0141 on my Land Rover Discovery. I replaced both oxygen sensors located in the post-catalyst position, as recomme...
Land Rover Discovery | P01412007 Ford Taurus P0340 and Low Oil Pressure: Causes and Fixes
I own a 2007 Ford Taurus with a 3.0L V6 engine. Recently, my wife's car displayed a 'low oil pressure' warning and the check engine light came on. After scanning for diagnostic ...
2007 ford tarus | P0051P0300 P0175 P0172 Troubleshooting for 1996 Chevrolet Sierra 5.7L Engine
I've been reading the forum for some time and now need help with a persistent issue on my 1996 Chevrolet Sierra 1500 with a 5.7L V8 engine. After initially thinking it just need...
1996 Sierra 5.7 | P01722007 Mini Cooper P1515 Fault Code: Electronic Throttle System Diagnosis
I'm experiencing a P1515 fault code on my 2007 Mini Cooper. The vehicle is showing this diagnostic trouble code, and I'd like to understand what it means and how to resolve it. ...
2007 Mini Cooper | P15152004 Dodge Dakota 4.7L P0175 Code: Rich Mix, Misfire, and Engine Idle Issues
I own a 2004 Dodge Dakota 2WD with a 4.7L V8 engine. Recently, the vehicle started throwing a random multiple misfire code (P0300), followed by a P0175 code indicating a rich fu...
2004 Dodge Dakota | P01752001 Toyota Solara V6 Intermittent Check Engine Light P0330 - Knock Sensor Bank 2 Diagnosis and Repair Guide
My 2001 Toyota Solara SLE with a 6-cylinder engine is experiencing an intermittent check engine light that triggers randomly—sometimes for minutes, other times after hours or da...
2001 Solara v-6 | P0330P0300 and P0306 Diagnosis: 2002 Dodge Grand Caravan 3.8L AWD with Misfire Issues
I'm seeking advice on how to properly diagnose and fix a recurring misfire issue in my 2002 Dodge Grand Caravan 3.8L AWD. The vehicle is currently showing two diagnostic troubl...
2002 Dodge Grand Caravan | P0300Lexus LS430 2002 P0301 Misfire & Flashing Engine Light: Cold Start Issue with Dual-Fuel (Propane/Gasoline) System
I own a 2002 Lexus LS430 V8 4.3L with automatic transmission and a dual-fuel system that runs on both gasoline and propane via sequential injection. The vehicle has approximatel...
Unknown | P03012000 Caprice SS (Holden VT Series 2 SS) with P0327, P0332, P0523, and P1626 Codes - MIL On, Power Hesitation, Hard Shift in 4L60E Transmission
I'm experiencing multiple OBD2 fault codes on my 2000 Chevrolet Caprice SS (rebadged Holden VT Series 2 SS) with an LS1 engine and 4L60E transmission. The current codes are: - ...
Unknown | P03272003 Chevy Tahoe P0161 O2 Sensor Fault: Diagnosis and Fix Guide
I received a persistent P0161 diagnostic trouble code (DTC) over two weeks ago on my 2003 Chevrolet Tahoe. After researching similar cases, I initially assumed replacing the oxy...
2003 Chevy Tahoe | P0161Practical 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.