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.
2003 Dodge Grand Caravan 3.3L Engine 1899 Park/Neutral Sensor Fault After Starter Replacement
Hello everyone, I'm experiencing the 1899 park/neutral fault code on my 2003 Dodge Grand Caravan with a 3.3L engine. This issue appeared after I replaced the starter myself. Th...
2003 Dodge Grand Caravan | P1899How to Fix P0016 Cam/Crank Timing Issue on 2006 Hyundai Sonata GLS 3.3L
Hello, I'm working on a 2006 Hyundai Sonata GLS with a 3.3L engine. During a timing overhaul, I reassembled the engine and now my OBD2 scanner is showing a P0016 diagnostic trou...
2006 Sonata | P0011P1175 OBD2 Code on 2008 Chevrolet Silverado 2500HD: Causes, Fixes & Altitude Impact
I'm experiencing a P1175 diagnostic trouble code on my 2008 Chevrolet Silverado 2500HD. What could be causing this issue? The truck has only the P1175 code registered, and I'm l...
Silverado | P11752004 Lincoln Aviator (22K miles) with P0506 Code - Can I Clear It Without Paying $100 for a Scanner?
I recently had my battery replaced by AAA, and shortly after, the engine warning light came on. The AAA-approved repair shop contacted me and informed me that the issue was code...
2004 Lincoln Aviator | P0506P0441 OBD2 Code in 2008 Pontiac Grand Prix After Evap Canister Replacement
I replaced the EVAP canister one month ago, but recently my 2008 Pontiac Grand Prix has started showing code P0441 along with a thermostat operating below temperature. The shop ...
Pontiac Grand Prix | P0441Jeep Commander 2006 P0456 Code: How to Diagnose and Fix Evaporative Emission System Leak
Hi, I own a 2006 Jeep Commander and recently retrieved the diagnostic code P0456. This code indicates a small leak in the evaporative emission (EVAP) system. Although I've check...
Jeep Commander | P04562010 Hyundai Genesis Coupe - Code P0456: Emission Control System Leak - Slow Start & Starting Issues
My 2010 Hyundai Genesis Coupe has recently developed a check engine light, and my diagnostic tool detected code P0456 — indicating an emission control system leak (small). Since...
2010 HYUNDAI GENESIS COUPE | P04562007 Tahoe EVAP Canister Purge Solenoid Removal Guide
Can anyone help with removing the EVAP canister purge solenoid located under the hood on a 2007 Tahoe? I'm having trouble disconnecting the quick-connect fitting (not the one th...
2007 Tahoe | P0446How to Fix 1999 Honda Civic P0133 and P0420 O2 Sensor and Catalytic Converter Issues
1999 Honda Civic LX with fault codes P0133 and P0420. The P0133 code indicates a faulty upstream air/fuel ratio sensor (O2 sensor), which can lead to poor fuel efficiency and mi...
99 Civic | P01332005 Dodge Durango 4.7L Engine Fault Code P0430: Diagnosis and Repair Cost Guide
I'm experiencing a P0430 diagnostic code on my 2005 Dodge Durango with the 4.7L engine. I need help identifying the root cause and understanding the typical repair cost to fix t...
2005 Dodge Durango | P04302004 Chevy Silverado 5.3L P0306, Cylinder 6 misfire
2004 Silverado, 1500, 4x4, 5.3L, 125,000 miles. I keep getting at p0306, cylinder 6 misfire code. I've replaced the plugs, wires, mass air flow sensor, coil pack and intake ma...
2004 Chevy Silverado | P03062004 Kia Rio P0271 and P0304 Trouble Codes: Diagnosis and Solutions
I own a 2004 Kia Rio with 155,000 miles. I'm experiencing intermittent engine performance issues indicated by OBD-II trouble codes P0271 and P0304. I've already checked the fue...
04 Kia Rio | P02712006 Grand Caravan 3.8L Engine Running Poorly After New EGR Installation – Code P0404 and Power Loss
I own a 2006 Grand Caravan with a 3.8L V6 engine, currently at 74,000 miles. I recently replaced the EGR valve and cleaned the associated exhaust tube, which was not severely cl...
2006 Grand Caravan | P0404CAN-CBL-02 Fault Code on 24V Truck ECU: Can Arduino Read CAN Data at 24V?
Hi everyone, I'm reaching out for some help with a CAN bus issue I've encountered while trying to read data from a truck's ECU using an Arduino and ELM327 adapter. So far, I'v...
trucks | P21771996 Nissan Maxima P0155
96 Nissan Maxima PO 155 02 Heater Circuit (bank 2 sensor 1 ) location don sanderson
1996 Nissan Maxima | P01552005 Ford Escape Fuse #11 Keeps Blowing, P0354 Code - Truck Won't Start
The #11 fuse in my 2005 Ford Escape keeps blowing repeatedly. The check engine light is on, and I've retrieved fault code P0354. This fuse protects the Powertrain Control Module...
ford escape | P0354Ford Windstar 3.8L V6 Transmission Issues: P1500, P0503, P0500 Diagnostics and Solutions
My Ford Windstar with a 3.8L V6 engine is experiencing intermittent transmission behavior—while driving, the vehicle suddenly shifts into neutral for 15 to 20 seconds before jum...
Ford Windstar | P0500P0506 Diagnostic and Fix for 2004 Ford Explorer Eddie Bauer After Battery Replacement
Hi there, I own a 2004 Ford Explorer 4L 4x4 with 263,477 miles. Recently, my battery died, and after replacing it, the 'Service Engine Soon' light came on. Using an OBD2 scanner...
2004 Ford Explorer Eddie Bauer | P0506Practical 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.