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 Chevrolet Tahoe Stalls with P0335 and P0336 Fault Codes
My 2001 Chevrolet Tahoe with a 5.3L engine is suddenly stalling and displaying fault codes P0335 and P0336. The vehicle dies unexpectedly during operation, which I believe is re...
2001 Tahoe | P0335Nissan Pathfinder 2005 P1815 P1774 P1731 Fault: Transmission Stuttering at 80 km/h - Diagnosis and Repair Costs
Hello, we own a 2005 Nissan Pathfinder with a petrol 4.0L V6 engine, 160,000 km, automatic transmission. Recently, we've noticed noticeable stuttering and rough performance at a...
Nissan Pathfinder | P17312004 HUMMER H2 P0300 Code: Diagnosis and Next Steps
Hi, I own a 2004 HUMMER H2 and am consistently receiving the P0300 diagnostic trouble code. I've already replaced the bank 1 oxygen sensor, MAF air sensor, installed new spark p...
HUMMER H2 | P03001998 Nissan Maxima P0325 and P0407 Code Diagnosis: Linked Issues or Separate Faults?
I recently purchased a 1998 Nissan Maxima that previously passed smog inspection. However, 33 days after purchase, the Service Engine Light (SEL) illuminated, triggering diagnos...
1998 Nissan Maxima | P03252001 Saturn L-Series 3.0L with P0030 and P0050 Codes: Poor Running, Bogging, and O2 Heater Issues
My 2001 Saturn L-Series 3.0L has started running poorly with the Check Engine Light on. The vehicle displays diagnostic codes P0030 and P0050, along with random misfire codes (i...
2001 Saturn L-series | P00302000 Ford Taurus SES Check Engine Light: P0174 and B1600 Codes Explained
My 2000 Ford Taurus SES has the check engine light and oil light on. I took it to AutoZone, where they scanned the vehicle and found two diagnostic codes: P0174 and B1600. The P...
2000 ford taurus ses | B1600P0171 and P0420 Fault Codes on 2004 Honda Accord LX 4-Cylinder
I own a 2004 Honda Accord LX with a 4-cylinder engine. A few days ago, the check engine light came on during an extremely cold day, with temperatures reaching -33°F. Since then,...
2004 Honda Accord | P017199 Ford F150 No Fuel, P0232 and P0460 Codes - Gauges Not Responding
My 1999 Ford F150 is not receiving fuel and shows OBD-II diagnostic codes P0232 and P0460. Additionally, the gauges do not respond properly during key cycling. I've checked for ...
99 ford f150 | P0232P0230 OBD2 Code Diagnosis: Fuel Pump Relay No Power in 2010 Buick Lucerne 3.9L
I'm experiencing a P0230 diagnostic code on my 2010 Buick Lucerne with the 3.9L engine. After testing, I found no voltage at either the fuel pump relay or the fuel pump fuse—no ...
2010 BUICK LUCERNE 3.9L | P0230Renault Laguna 2 DC06 P0705 Fault: How to Fix Transmission Range Switch Issue
Hi everyone, I'm currently dealing with a Renault Laguna 2 (DC06) and have encountered a transmission fault indicated by the P0705 diagnostic code. This code points to a problem...
Renault Laguna | P07052003 Chevrolet Avalanche P0101 P0171 P0174 Fault: Rough Idle, Poor Mileage After MAF Replacement
My 2003 Chevrolet Avalanche with a 5.3L V8 engine is showing persistent fault codes P0101 (MAF Sensor Performance), P0171 (Lean Bank 1 Fuel Trim), and P0174 (Lean Bank 2 Fuel Tr...
2003 Avalanche | P01011998 Chevrolet Z71 P0300 P0151 P0174 - Fuel Pressure & Oxygen Sensor Diagnostics
I'm troubleshooting a 1998 Chevrolet Z71 with persistent fault codes P0300 (random misfire), P0151 (oxygen sensor circuit malfunction on bank 1, sensor 2), and P0174 (rich condi...
98 Z71 | P01511999 Chevrolet Suburban OBD2 Codes P0172 and P0300: Diagnosis and Fixes
I own a 1999 Chevrolet Suburban and recently started receiving OBD2 diagnostic codes P0172 (Rich Fuel Mix - Bank 2) and P0300 (Random/Multiple Cylinder Misfire). Previously, I h...
1999 chevy suburban | P01722000 GMC Sierra 4.8L Engine Fault Codes P0102, P0443, P0449 - Inspection Failure Diagnosis
My 2000 GMC Sierra with a 4.8L engine has consistently failed emissions inspections since 2012. The onboard diagnostic system shows three persistent fault codes: P0102 (Mass Air...
2000 GMC Sierra 4.8 | P0102Dodge Ram 1500 4x4 5.2L Engine Code P0505: Diagnosis and Fix After IAC Valve Replacement
I'm experiencing DTC code P0505 on my 2001 Dodge Ram 1500 4x4 with a 5.2L engine. I replaced the Idle Air Control (IAC) valve, but the code persists. After clearing the fault co...
dodge ram 1500 | P05052008 Pontiac G6 P0352 Code: Diagnosis and Fix for Poor Idle, Sluggish Acceleration, and Limp Mode
I own a 2008 Pontiac G6 base model with a 2.4L engine, currently at 141,000 miles. The vehicle is experiencing significant performance issues: a noticeable rattling noise during...
Pontiac G6 | P03522009 Dodge Ram Hemi P0071 Code Explanation and Diagnosis
What does Diagnostic Trouble Code P0071 mean on a 2009 Dodge Ram Hemi? The P0071 code indicates an issue with the Ambient Air Temperature (IAT) Sensor Range/Performance. This fa...
09 dodge ram hemi | P0071Practical 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.