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.
Nissan Maxima 2001 Engine Fault Codes P0174 and P0240 - Diagnosis and Repair Guide
My 2001 Nissan Maxima 3.0L engine is showing fault codes P0174 and P0240. I'm looking for accurate diagnosis and repair steps for these specific OBD-II codes. P0174 refers to a ...
Nissan Maxima | P01742002 Dodge Diesel 5.9 Model Throws P0216 Code: Symptoms and Possible Causes
My 2002 Dodge Diesel 5.9 is currently throwing diagnostic code P0216, which indicates a problem with the fuel injection pump. I've noticed intermittent throttle failure, especia...
2002 Dodge Diesel 5.9 | P0216Golf GT TSI 1.4L Turbo: P2263 and P1601 Error Codes - Diagnosis and Fixes
I recently purchased a Golf GT TSI 1.4L turbo/supercharged model and after routine servicing, the diagnostic scan revealed two error codes: - P2263: Turbo/Supercharge Boost Sys...
golf gt tsi | P16012005 Chevrolet Cobalt SS P0017 Engine Code After Dealer Service
I own a 2005 Chevrolet Cobalt SS and recently encountered a persistent P0017 engine code after a visit to the dealer. Prior to this service, my vehicle had no check engine light...
2005 chevrolet cobalt ss | P00172007 Dodge Charger RT (5.7L) OBD-II Inspection Failure: No Communication with ECM
I own a 2007 Dodge Charger RT with a 5.7L engine, non-police package. During a required inspection, the technician reported that the OBD-II scanner failed to establish communica...
2007 Dodge Charger | P2177P0501 Code Intermittent in 1998 VW Jetta: Is Missing Transmission Tooth a Plausible Cause?
I am the second owner of a 1998 Volkswagen Jetta 4-cylinder, 5-speed manual transmission. This vehicle has consistently shown Diagnostic Trouble Code (DTC) P0501 for over severa...
VW Jetta | P05012000 pontiac sunfire P0108, P0107
the car has 197000 km 2.2L sfi ohv. it was working a few days ago idling erratically, now it won't start got a P0108 cleared the code tried cranking again and got a P0107. any h...
2000 pontiac sunfire | P01072000 Buick LaSabre P0101 Code: Intermittent Engine Death at Highway Speeds
My 2000 Buick LaSabre 3.8L engine ran smoothly until about a month ago, when it began dying unexpectedly while driving on the interstate. The OBD2 diagnostic tool detected a P01...
2000 Buick La Sabre | P01012000 GMC Jimmy P0300 Code: How to Fix Rough Idle and Starting Issues
I own a 2000 GMC Jimmy that has been throwing up a P0300 diagnostic trouble code. The vehicle starts only when I give it gas, and once running, it idles roughly. I've already re...
2000 GMC Jimmy | P03002002 Ford Taurus P1131, P0316, P0303, P0174 & P0171 Codes: Misfire, Lean Mixtures and Poor Acceleration Diagnosis
I'm experiencing multiple engine trouble codes on my 2002 Ford Taurus: P1131, P0316, P0303, P0174, and P0171. The check engine light flashes intermittently while driving instead...
2002 Ford Taurus | P01712001 Dodge Stratus 2.7L - OBD2 Code P0106: Fuel Trim Issues and Sensor Diagnosis
I own a 2001 Dodge Stratus with a 2.7L engine, and I've been experiencing a persistent OBD2 fault code P0106. This issue has come and gone over time, even after replacing the Ma...
2001 dodge stratus | P01061998 Ford F-150 4.6L V8 P0306 Code - Truck Will Not Start
My father's 1998 Ford F-15
98 F-150 | P03062097 Ford Contour P0401 Diagnostic and Repair Guide
I currently have a P0401 diagnostic code on my 1997 Ford Contour. I'm looking for cost-effective solutions to fix the issue without having to spend a large amount of money on re...
97 ford contour | P0401P0308 Fault on 2010 Dodge Ram 1500: What Does It Mean and How to Fix It?
The check engine light has come on twice in the past month on my 2010 Dodge Ram 1500. Each time, a diagnostic scan reveals fault code P0308. The dealership has inspected the spa...
2010 Dodge Ram 1500 | P03082008 GMC Acadia Running Lean on Bank 2, Rich on Bank 1: P0050, P0174, P0172 Diagnosis
My 2008 GMC Acadia is showing fault codes P0050, P0174, and P0172. The engine runs lean on bank 2 and rich on bank 1. I have already ruled out vacuum leaks and replaced all four...
Acadia GMC 2008 | P2177Practical 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.