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.
2000 Ford Windstar P1506 Code: Idle Air Control Overspeed Error After Intake Gasket Replacement
I recently replaced the intake gaskets and bolts on my 2000 Ford Windstar, which has a two-piece plastic intake manifold. Shortly after reassembly, the check engine light came o...
2000 ford Windstar | P15062003 VW Passat P0300 P0301 P0304 Fault Codes: Coil Pack Issues and Timing Belt Maintenance Guide
I own a 2003 Volkswagen Passat 1.8T with a 5-speed manual transmission, driven approximately 55,000 miles since new. No special maintenance has been performed beyond regular oil...
2003 Passat | P03002000 Ford F150 PO141 and PO161 DTCs: Heater Circuit Fault Diagnosis & Fix
I'm having a persistent issue with my 2000 Ford F150, specifically with Diagnostic Trouble Codes (DTC) PO141 and PO161. These codes indicate heater circuit failures for the oxyg...
2000 F150 | P0141Saturn SL2 P0410 Code: How Strict Is the OBD-II Drive Cycle for Emissions Readiness?
Hello. I'm seeking advice on resolving a persistent P0410 diagnostic code in my 1999 Saturn SL2 (1.9L DOHC, automatic transmission) with approximately 190,000 miles. After compl...
Saturn | P0410P1698 Diagnostic Code: No CCD Messages from PCM in 2002 Dodge Ram 1500 4.7L with Command Start
I own a 2002 Dodge Ram 1500 with a 4.7L engine and command start system. Every third or fourth time I use the starter, my vehicle triggers the P1698 diagnostic code: 'No CCD Mes...
2002 Dodge Ram 1500 | P1698Ford Explorer 2002 4.0L: P1400 to P0113/P0118/P0123/P0453/P0708 After DPFE Sensor Removal
Hi everyone, I'm new here and hoping for some advice. I own a 2002 Ford Explorer with a 4.0L engine. I recently encountered a P1400 diagnostic trouble code (DTC), which I resolv...
Explorer | P01132002 Nissan Altima 2.5S - Fault Code P0031 Diagnosis and Fix
Great to hear the issue was resolved! If you're experiencing a P0031 code on your 2002 Nissan Altima 2.5S, it indicates a problem with the exhaust gas recirculation (EGR) system...
Altima 2.5S | P0031P0171 and P0174 Diagnostic & Fix for 2003 Ford Taurus SES - Idling Issues After MAF Replacement
I'm looking for help with my 2003 Ford Taurus SES (SES model) that has 79,000 miles. The car runs fine under normal conditions but exhibits rough idling or suddenly shuts off wh...
FORD TAURUS | P0171P0300 Code Reappears in 2001 Ford F150 4.6L: Cold Start Miss, No DTC After Warm-Up
Hi everyone, I own a 2001 Ford F150 4x4 with a 4.6L V8 engine, approximately 125k miles, automatic transmission. About a month ago, my truck started misfiring and triggered a ...
2001 ford f150 | P03002002 Nissan Altima 2.5S P0031 Code: Heater Circuit Voltage Issue Diagnosis and Fix
I'm experiencing a persistent P0031 code on my 2002 Nissan Altima 2.5S with a 4-cylinder engine. The code indicates a low voltage signal in the oxygen sensor heater circuit. I'v...
Altima 2.5S | P00312001 Dodge Caravan P0442, P0455, P0456 Evap System Leak Issues - Common Failure & Repair Costs
Hi everyone, I own a 2001 Dodge Caravan with a 2.4L automatic engine that has been experiencing repeated evaporative emissions system leaks for several years, showing codes P044...
Dodge Caravan | P04421998 Honda Prelude P0420 Fault - Factory Catalytic Converter Warranty Information
I own a 1998 Honda Prelude with 130,000 miles and am currently experiencing recurring P0420 trouble code. I plan to visit the dealership to inspect the oxygen sensors, exhaust s...
1998 Honda Prelude | P0420P0171 and P0174 on a 2000 Ford Explorer 4.0L - How to Fix Vacuum Leaks and IMRC Valves
I'm looking for help with my 2000 Ford Explorer 4.0L engine that's throwing up codes P0171 and P0174. I've already cleaned the mass air flow (MAF) sensor and replaced several va...
2000 FORD EXPLORER | P01712003 Honda CR-V Fault Codes P1298 and P1166: Possible Wire Chewing Cause?
My 2003 Honda CR-V has recently triggered two diagnostic trouble codes: P1298 and P1167. While the vehicle has no noticeable performance issues, both codes appeared simultaneous...
CR-V | P11661999 Mustang V6 P1413 Code: Secondary Air Injection System Low Voltage - Diagnosis and Fuel Consumption Issue
I recently received a diagnostic code P1413 on my 1999 Mustang V6, which indicates a 'Secondary Air Injection System Monitor Circuit Low Voltage' fault. While the car runs smoot...
99 Mustang V6 | P14131999 Chevrolet Suburban P0430 Code: How to Fix Catalytic Converter Efficiency Issue on Bank 2
I own a 1999 Chevrolet K1500 Suburban with a 5.7L V8 engine and approximately 115,000 miles. The vehicle has an automatic transmission. I'm currently struggling to clear the P04...
Suburban | P04301996 Nissan Maxima P0325 and P0440 Codes: How to Fix for Inspection Pass
I own a 1996 Nissan Maxima with 113,000 miles, an automatic transmission, and a six-cylinder engine. The 'Service Engine Soon' light came on recently, and I was unable to read t...
1996 Nissan Maxima | P0325Practical 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.