Traditional gasoline car fault

2002 Ford Windstar P0171-P0174: Causes and Fixes After Air Filter Replacement

I recently replaced the air filter on my 2002 Ford Windstar in November. About 2–3 weeks later, the check engine light came on with codes P0171 and P0174. I inspected the air fi...

Ford Windstar | P0171

2000 Ford Focus P0171 and P0734: Fixing Lean Code with Budget-Friendly Repairs

My fiancée's 2000 Ford Focus (SOHC, automatic transmission) has been running with a persistent P0171 code (lean condition in Bank 1) and previously had a P0734 code related to t...

2000 Ford Focus | P0171

PO171 and PO174 Diagnosis for 1999 Ford F150: Lean Mixtures in Both Banks

The vehicle is displaying diagnostic trouble codes PO171 and PO174, indicating a lean air-fuel mixture in both engine banks. I took it to a repair shop where they replaced the f...

1999 Ford F150 | P0171

2000 GMC Yukon 5.3L Engine Misfires and Fuel Issues: P0171, P0174, P0300, P0151 Diagnosis

I recently started having serious engine problems with my 2000 GMC Yukon equipped with a 5.3L V8 engine. When I turned the key on this morning, the truck would barely stay runni...

2000 GMC Yukon | P0151

P0171 & P0174 Fault in 2005 Dodge Stratus Running E85 Fuel: Causes, Fixes, and Diagnostics

I own a 2005 Dodge Stratus with 71,000 miles. The vehicle is equipped with a 2.7L flexfuel engine designed specifically for E85 operation. I purchased it about two months ago an...

Dodge Stratus | P0171

Pathfinder Fuel Filler Tube Corrosion Recall and P0171 Code: Are They Related?

In winter states that use road salt, a mixture of snow, water, and salt can cause corrosion on the bare metal section of the fuel filler tube, potentially leading to fuel leaks....

Fuel filler tube | P0171

Chryl 02-300M SPC P0171 and P0132 Fault Code Diagnosis

I'm experiencing a recurring P0171 code on my 2002 Chevrolet 300M SPC, which keeps resetting. I recently replaced the O2 sensor, but now I'm getting a new code: P0132. Can anyon...

Chry 02-300M SPC | P0171

2001 Ford Windstar P0401, P0171, P0174, P1406 - Diagnosis and Fixes

I own a 2001 Ford Windstar and am currently troubleshooting several diagnostic trouble codes: P0401 (Exhaust Pressure Regulator Malfunction), P0171 (System Too Lean Bank 1), P01...

2001 ford windstar | P0171

1997 Ford f-150 codes P0171 & P0174

Lets see if I can help. My truck gave me the same code's p0171, 1st bank lean. Then a p0174, second bank lean. At the rear of the engine between the fire wall and the plinum the...

1997 Ford f-150 | P0171

1999 Buick Regal P0303 and P0171 Codes: Misfire and Lean Mix Issue After Plug and Injector Replacement

I'm completely stuck with my supercharged 1999 Buick Regal. The vehicle is experiencing a misfire and has stored both P0303 (cylinder 3 misfire) and P0171 (system lean condition...

99 Buick Regal | P0171

2002 Ford Windstar P0171-P0174: Vacuum Leak Diagnosis and Fix After Air Filter Replacement

I replaced the air filter about a month ago. A few days later, my check engine light came on with fault codes P0171 and P0174. Upon inspecting the air filter housing, I found th...

2002 Ford Windstar | P0171

2001 Toyota Corolla P0171 - System Too Lean: Diagnosis and Fixes

Hello everyone, I own a 2001 Toyota Corolla with 150,000 miles. The check engine light has come on, and after taking it to AutoZone for diagnostics, I received code P0171 — 'Sy...

2001 T Corolla | P0171

2002 Chevy Silverado 5.3L V8 P0171, P0174, and P0300 Fault Diagnosis and Fixes

I own a 2002 Chevrolet Silverado with a 5.3L V8 engine and approximately 117,000 miles. About a week ago, I noticed the vehicle would spit and sputter when starting, especially ...

02 Chevy Silverado | P0171

Solved: OBD2 Error Codes 0171 and 0174 on 2000 Ford Taurus - Vacuum Leak Fix

I recently resolved a persistent check engine light issue on my 2000 Ford Taurus after discovering error codes 0171 and 0174. Initially, the system only displayed code 0174, fol...

2000 Ford Taurus | P0171

2000 Ford Explorer OBD P0171 and P0174 Codes Returning After Washing - Possible Airflow System Issue?

My 2000 Ford Explorer, with over 150,000 miles, has been showing up OBD fault codes P0171 and P0174 after being washed. I've previously reset the codes and the truck runs fine t...

2000 Ford Explorer | P0171

P0174 and P0171 Diagnostic Issues on 1998 Ford F-150 - Recurring After Fuel Filter Replacement

My 1998 Ford F-150 is showing diagnostic trouble codes P0174 and P0171. A mechanic inspected the vehicle, replaced the fuel filter due to a suspected clogged filter, and claimed...

98 f-150 | P0171

PO171 and PO174 Diagnostic Guide for 1998 Ford F-150: Causes and Next Steps

I recently purchased a 1998 Ford F-15

1998 F-150 | P0171

2006 Honda Civic EX 1.8L P0171 Code: CAI or MAF Issue After Extended Driving?

I own a 2006 Honda Civic EX with a 1.8L engine, automatic transmission, and a Cold Air Intake (CAI). The car intermittently displays the P017-1 diagnostic code, which only appea...

2006 Honda Civic EX | P0171