Traditional gasoline car fault
Search fault code and browse forum case posts.
2003 Dodge Neon P0171 Code: Engine Starts with Starter Fluid but Fails to Start on Its Own
My 2003 Dodge Neon won't start on its own, despite having a P0171 code indicating a lean air-fuel mixture. I've already replaced the throttle position sensor (TPS), mass airflow...
03 Dodge Neon | P01711994 Buick Regal Check Engine and Coolant Warning Lights Stay On - OBD1 Diagnosis Help
I'm trying to pass a smog inspection on my 1994 Buick Regal, but both the Check Engine and Low Coolant warning lights remain illuminated. I've already disconnected the battery t...
1994 Buick Regal | P01712000 Nissan Frontier P0455, P0325, P0340, P0171, P1448 - Slow Start After Short Idle & Fuel System Issues
I own a 2000 Nissan Frontier crew cab with a 3.3L gasoline engine (no turbo). When I perform diagnostic testing, the vehicle shows multiple trouble codes: P0455, P0325, P0340, P017
2000 Nissan Frontier | P01712006 VW Jetta Fault Codes P0441, P2279, P0171, P0455: Repair Costs and Diagnosis Guide
I'm looking for an estimate on the repair costs for my 2006 VW Jetta with fault codes P0441, P2279, P0171, and P0455. I'm planning to sell or replace the vehicle next year and w...
2006 VW Jetta | P01712008 Kia Sedona P0171, P2187, P0174 Codes: Causes and DIY Solutions for V6 3.8L Engine
My 2008 Kia Sedona with 90K miles and a 3.8L V6 engine has recently triggered the check engine light. It came on about two weeks ago, then turned off briefly before reappearing....
2008 Kia Sedona | P01712003 Chevrolet Venture with P0131, P0171, P0300, and P0453 Codes - Sputtering, Loss of Power, Fuel Issues
My 2003 Chevrolet Venture has been experiencing intermittent performance issues, including severe sputtering, loss of power, and a sensation that the engine is not receiving fue...
2003 chevrolet venture | P01312002 Audi A4 3.0T P0171 P0421 P0431 Fault Codes: Affordable Repair Solutions
What is the most cost-effective way to diagnose and fix the P0171, P0421, and P0431 fault codes in a 2002 Audi A4 3.0T without spending a large amount of money? These codes indi...
2002 Audi A4 3.0T | P017197 Chevy Blazer 4.3L 4WD with P0117, P0131, P0151, P0171, P0174, and P0300 - Diagnosis & O2 Sensor Issues
I recently purchased a 1997 Chevrolet Blazer 4-door automatic with the 4.3L Vortec engine and 4WD. The vehicle starts easily but runs roughly at idle and exhibits sputtering, he...
97 Chevy Blazer | P01172007 Ford F-250 6.0L Engine Glow Plug Error Code: Diagnosis and Fix
I recently replaced the glow plugs and harness on my 2007 Ford F-250 with a 6.0L engine, but the vehicle is still displaying a fault code indicating that glow plug #8 is faulty ...
2007 Ford F-250 6.0L | P01712005 Dodge Ram 1500 5.7L HEMI Persistent P0171 & P0174 OBD2 Codes - Long-Term Lean Mix Issue
I own a 2005 Dodge Ram 1500 with a 5.7L HEMI engine and have been experiencing persistent OBD2 trouble codes P0171 (System Too Lean Bank 1) and P0174 (System Too Lean Bank 2) fo...
2005 Dodge Ram 1500 | P01712006 Chevrolet HHR LT P0171 Code: Lean Mix Ratio Diagnosis and Solutions
2006 Chevrolet HHR LT experiencing engine light activation with diagnostic trouble code P0171. Vehicle is running smoothly without overheating or performance issues. The P0171 c...
2006 Chevrolet HHR LT | P01712004 Chrysler Sebring 2.7L V6 OBDII Error P0137: O2 Sensor Bank 1 Sensor 2 Low Voltage - Mode $06 On-Board Monitoring Fail
My 2004 Chrysler Sebring convertible (2.7L V6, automatic transmission, VIN R) has a persistent check engine light with fault code P0137: 'O2 Sensor Bank 1 Sensor 2 Circuit Low V...
2004 Sebring | P01712005 Mazda Tribute 3.0L: P0183, P0303, and P0171 - Fuel Temp Sensor Issue Despite No Dedicated Sensor
I'm encountering a puzzling issue with my 2005 Mazda Tribute 3.0L. The vehicle is displaying three diagnostic trouble codes: P0183 (Fuel Temperature Sensor Circuit), P0303 (Rand...
05 Tribute 3.0L | P01712003 Jeep Grand Cherokee P0171 and P0174 Code: Causes and Fix for Stalling and Flooding
My 2003 Jeep Grand Cherokee Limited Edition is displaying OBD2 diagnostic codes P0171 and P0174. The vehicle runs fine for a while but then stalls when I stop, or fails to resta...
2003 Jeep Grand Cherokee | P0171P0171 System Too Lean Bank 1 Fix: DIY Solution for 2001 Nissan Pathfinder LE
I'm grateful to many forum users who shared solutions online, so I've documented the steps that successfully resolved my issue to help others facing similar problems. CAR MODEL...
2001 Pathfinder LE | P01712005 Ford F-150 5.4L 3V P2006 Intake Manifold Runner Control Valve Stuck Closed Bank 1 - Tuner or Mechanical Issue?
My 2005 Ford F-150 with a 5.4L 3V engine is showing a P2006 diagnostic code indicating the intake manifold runner control valve is stuck closed on bank 1. Initially, I was told ...
2005 Ford F-150 | P0171Ford E350 5.4L P0171 and P0351-P0358 Ignition Coil Failure: Diagnosis and Fixes
My 2001 Ford E350 5.4L engine is showing multiple OBD-II fault codes: P0171 (Rich Air-Fuel Mixture - Bank 1) and P0351 through P0358 (Ignition Coil A to H primary/secondary circ...
Ford E350 5.4L | P0171P0171 Lean Condition & Rough Idle with Pulsing Headlights - 2005 Ford F-150 5.4L Engine Diagnosis
I'm seeking help with a persistent issue on my 2005 Ford F-150 with the 5.4L V8 engine. The vehicle is storing Diagnostic Trouble Code P0171, which indicates a lean air-fuel mix...
2005 Ford F-150 | P01712004 Chevy Colorado P0171 Check Engine Light: Intermittent Code & Diagnosis Tips
I recently purchased a 2004 Chevrolet Colorado one year ago, and ever since I took ownership, I've been dealing with the check engine light illuminating with code P0171. Althoug...
2004 Chevy Colorado | P01712005 Volkswagen Beetle Won't Start After Morning Startup; Fault Codes P0321, P0170, P0420
My 2005 Volkswagen Beetle starts reliably in the morning but fails to start again afterward and only restarts after a full day has passed. The onboard diagnostic system shows th...
2005 Beetle | P0171