Traditional gasoline car fault

2006 Ford Escape XLT P0171 Code: System Lean Bank 1 - Low Fuel Efficiency and Rough Idle Issues

I recently purchased a 2006 Ford Escape with 106,000 miles from an auction. The vehicle had several engine modifications performed prior to sale. It is currently displaying a P0...

Ford Escape XLT | P0171

1998 K1500 5.7L Engine P0171/P0174 (Pending) - Lean Fuel Trim Issues and Low Fuel Pressure Diagnosis

Diagnostic information from Torque app (web lookup): System: Powertrain - Fuel and Air Metering - ISO/SAE Controlled Description: Fuel Trim System Lean Conditions Location: Ba...

98 K1500 5.7 | P0171

2008 Pontiac G6 P0171 and P0496 Fault: Diagnosis and Fix for Lean Mix and EVAP Flow Issues

This post is about a 2008 Pontiac G6 experiencing persistent engine performance issues, including hesitation around 15 mph during acceleration, occasional stalling when turning ...

PONTIAC G6 | P0171

2004 4cyl accord having P0171, P2195, P2A00. Please help, it does not have a MAF sensor

Please assist on how to solve this error codes. It came up after changing the rear O2 sensor, changing fuel pump and cleaning the air filter, plugs and flushing the injector...

2004 Accord | P0171

2009 Dodge Journey 3.5L V6 - OBD2 Codes P0171 and P0174: Intake Leak Diagnosis?

I own a 2009 Dodge Journey with a 3.5L V6 engine. Previously, I received an oxygen sensor fault code. As part of routine maintenance, I replaced the spark plugs and the rear O2 ...

2009 dodge journey 3.5 v6 | P0171

2011 Dodge Dakota 3.7L Engine O2 Sensor Bank 2 Sensor 2 Low Voltage Fault

I'm experiencing a P0157 fault code on my 2011 Dodge Dakota with the 3.7L engine, specifically indicating low voltage from Bank 2, Sensor 2. After replacing the oxygen sensor, t...

2011 dodge dakota | P0171

2003 VW Passat P0171 P0300 P0301 P302 P304 P411 - Hesitation at 20-30 mph and Misfire Codes After Recent Repairs

My mother drives a 2003 VW Passat 1.8L 4-cylinder model, which is currently displaying multiple OBD-II diagnostic codes: P0171 (Rich or Lean Fuel Mix), P0300 (Random/Multiple Cy...

2003 VW Passat | P0171

2002 Chevrolet Express Van P0171 and P0174 After Fuel Pump Replacement

My 2002 Chevrolet Express van experienced a fuel pump failure. I replaced both the fuel pump and filter, and the vehicle runs smoothly afterward. However, after approximately 10...

2002 chev express van | P0171

P0171 P0300 P0332 Fault Codes - 2002 Chevrolet Silverado Starting Issue

I recently received the following OBD2 diagnostic codes on my 2002 Chevrolet Silverado: P0171 (Rich Air-Fuel Mixture), P0300 (Random Misfire), and P0332 (Knock Sensor Circuit Ma...

2002 Chevy Silverado | P0171

P0138, P0141, P0171 Fault Codes on 1996 Jeep Grand Cherokee - Stalling at Idle and Stop

I own a 1996 Jeep Grand Cherokee with a newly installed 4.0L inline-6 engine. The vehicle is now displaying fault codes P0138, P0-141, and P0171. Whenever I try to idle, turn th...

1996 Grand Cherokee | P0138

98 Chevrolet K1500 5.7L - P0171 and P0174 Lean Conditions in Cold Weather?

My 1998 Chevrolet K1500 with a 5.7L engine is showing persistent lean conditions in both Bank 1 and Bank 2, with Bank 2 previously flagged as pending. I reside in Georgia, where...

98 K1500 5.7 | P0171

2006 GMC Sierra 4.8L V8 OBC P0101, P0171, P0174 Fault Diagnosis and Fixes

I have recently replaced both upstream oxygen sensors, the MAF sensor, and the throttle body. I've also thoroughly checked for intake leaks using carb cleaner on all accessible ...

2006 GMC Sierra 4.8 V8 | P0101

2006 Hummer H3 Check Engine Light with P0017, P0171, P0300, and P2176 Codes - Diagnosis & Fixes

My 2006 Hummer H3 is running very rough and the check engine light has activated. The onboard diagnostic system shows multiple fault codes: P0017, P017,

2006 Hummer H3 | P0017

1997 Chevrolet S10 4.3L Engine Hesitation with P0171, P0174 and P0102 - Post-Fuel Regulator Replacement

I own a 1997 Chevrolet S10 with a 4.3L V6 engine that has developed severe hesitation during acceleration after replacing the fuel pressure regulator due to initial idle issues ...

97 S10 4.3 | P0171

2001 Chevrolet Silverado 1500 Z71 After Tune-Up: Multiple Engine Codes P0101, P0102, P0161, P0171, P0174, P0300, P1258, P1404, and P1637

After performing a tune-up on my 2001 Chevrolet Silverado 1500 Z71—replacing only the spark plugs and wires—I noticed a significant idle issue. The truck would initially idle ve...

2001 Chevrolet Silverado 1500 | P0171

96 Ford F-150 P0411, P0171, P0174 Error Codes: What Do They Mean and Can a Rookie Fix This?

My 1996 Ford F-150 has suddenly triggered three diagnostic trouble codes: P0411, P0171, and P0174. I'm not very experienced with vehicles, so I'm unsure if these codes require i...

96 Ford F-150 | P0171

2010 Chevy Cobalt 2.2L P0171, P0961, P1811 - Diagnosis and Fixes for Lean Condition and Transmission Codes

I've been struggling to clear the P0171 (Lean Air Condition) code on my 2010 Chevy Cobalt 2.2L, despite replacing key components including the mass airflow sensor, upstream O2 s...

2010 Chevy Cobalt | P0171

1999 Pontiac Grand Am 2.4L: Sluggish Performance, Poor Shifting, and Engine Revs While Driving

My 1999 Pontiac Grand Am 2.4L is exhibiting poor driving performance. The vehicle feels sluggish while in motion, shifts improperly between gears, and unexpectedly increases eng...

1999 Pontiac Grand Am | P0171

P0171 Lean Bank 1 Fault on 2008 VW Polo 1.2 6V - Diagnosis and Solutions

Hi everyone, I'm currently troubleshooting a recurring P0171 'Lean in Bank 1' fault on my 2008 Volkswagen Polo with a 1.2L 6-volt engine. The check engine light (EMR) activate...

VW Polo | P0171

P0171 and P0420 Diagnosis on 2007 Nissan Quest: Fuel Pump or Sensor Issue?

Hello, My check engine light came on about a month ago. I took the vehicle to Firestone for service, where they diagnosed a P0171 code. The mechanic recommended replacing both ...

2007 Nissan Quest | P0171