Traditional gasoline car fault

99 Explorer w/ P0174, P0171, P1151, P1131 DTCs

I have a '99 explorer w/ 4.0 engine. It runs rough whenever the engine is under a load. It is showing the following codes: P0174, P0171, P1151, and P1131. It has had the intake ...

99 Explorer | P0171

2010 Hyundai Tucson O2 Sensor Bank 4 Sensor 3 Fault Code Explanation and Repair Guide

Hello everyone, I recently purchased a Bluetooth Torque Android OBD-II device to diagnose my 2010 Hyundai Tucson, but it detected an issue with the Oxygen (O2) heated sensor in...

2010 Hyundai Tucson | P0171

2000 GMC Sierra PO171 PO174 PO300 - No Spark on Bank 1 Cylinders 1, 3, and 5

I've replaced the distributor, cam position sensor cap and rotor, ignition wires, spark plugs, coil, fuel pump, fuel filter, fuel spider with regulator, and upper intake manifol...

2000 gmc sierra | P0171

2002 Ford F150 Check Engine Light Flashes On and Off with No Diagnostic Code

2002 Ford F15-0 Extended Cab, 4.5L V8 engine, 310,000 km. The 'Check Engine' light comes on intermittently, staying on for a week then going off, only to come back a week later....

2002 Ford F150 | P0171

2002 Ford F150 4.2L 6-Cylinder OBD2 Codes P0171, P0172, P0174 - Diagnosis and Solutions

A diagnostic scan revealed the following OBD2 trouble codes: P0171 (Rich mixture bank 1), P0172 (Rich mixture bank 2), and P0174 (Rich mixture bank 4) on a 2002 Ford F15-0 with ...

2002 ford f150 6 cylinder 4.2 | P0171

P0171 OBD2 Code - 2002 Audi A3 1.8 Turbo: Vacuum Leak Diagnosis and Recirculation Valve Component Identification

Hi everyone, I recently purchased a 2002 Audi A3 1.8 Turbo and after driving it for a few days, the Engine Light (EML) came on. Using my friend's OBD2 scanner, I retrieved fault...

2002 Audi A3 1.8 Turbo | P0171

2001 Chevy 1500 Z71 5.3L Engine P0404, P0171, P0174 and P0301 Fault Codes - How to Fix

I'm experiencing multiple OBD2 fault codes on my 2001 Chevrolet 1500 Z71 with a 5.3L V8 engine: P0174, P0171, P0301, and P0400. What steps should I take to diagnose and fix thes...

2001 Chevy 1500 Z71 | P0171

2008 Kia Sportage P0171 Oxygen Sensor Issue: How to Identify the Baseline Sensor and Diagnose System Too Lean

Is there a way to determine which oxygen sensor is the baseline (bas) sensor in a 2008 Kia Sportage when encountering DTC P0171? The code P0171 indicates 'System Too Lean,' whic...

2008 Kia Sportage | P0171

1998 Honda Integra OBD2 Codes P0171, P0174, and P0116 - Causes and Fixes

After recently repairing the exhaust system connected to the catalytic converter, my 1998 Honda Integra triggered the Check Engine Light within 20 minutes. The vehicle is now di...

98 Integra | P0116

2005 Chevrolet Cobalt 2.2L Engine P0171 Code: Causes and Solutions

I own a 2005 Chevrolet Cobalt with a 2.2L engine, currently at 104,000 miles. Occasionally—roughly once per year—the check engine light activates, and my OBD2 scanner reads code...

2005 chevrolet cobalt | P0171

1996 Ford F-150 4.9L Engine P0171 and P017-than Codes - Emissions Test Failure

Hi, I own a 1996 Ford F-150 with a 4.9L inline-six engine, automatic transmission, 2WD, and dual fuel tanks. The truck runs smoothly under normal conditions, but it consistently...

96 F150 | P0171

2002 Passat V6 P0171 O2 Sensor Code: Lean Condition Diagnosis and Fixes

Vehicle: 2002 Volkswagen Passat, 2.8L V6 engine, 175,000 miles. Owned since new with all scheduled maintenance performed. The vehicle has been showing O2 sensor-related trouble...

Passat | P0171

2000 Pontiac Grand Prix P0171 Code: Fuel Efficiency Issues and Troubleshooting Guide

Vehicle: 2000 Pontiac Grand Prix with 3800 Series II K engine, approximately 140,000 miles Issue: OBD-II Diagnostic Code P0171 (System Too Lean) is present, resulting in poor f...

2000 Pontiac Grand Prix | P0171

2007 Ford Taurus P2195 and P0171 O2 Sensor Issues: Vacuum Leak or MAF Cleaning Solution?

I'm experiencing persistent engine misfires and diagnostic codes P2195 and P0171 on my 2007 Ford Taurus. I've already cleaned the Mass Air Flow (MAF) sensor, but the vehicle con...

2007 Ford Taurus | P0171

Toyota 2002 Echo P0171 Misfire Diagnosis: Fixed After Injector Replacement, How Long for CEL to Clear?

My 2002 Toyota Echo is showing a P0171 fault code (Rich Air-Fuel Mixture - Bank 1). I've already replaced the air filter and mass airflow sensor (MAF), reset the Check Engine Li...

Toyota 2002 Echo | P0171

2003 Nissan Altima P0506, P0171, and P017-4 Codes: Diagnosis and Solutions

I'm seeking advice from experienced mechanics regarding a recurring issue on my 2003 Nissan Altima. The check engine light activated, and the following diagnostic codes appeared...

2003 Nissan Altima | P0171

1998 Mitsubishi Eclipse 2.0L - P0171 and P0301 Error Codes: Lean Mix & Misfire Diagnosis

My daughter owns a 1998 Mitsubishi Eclipse 2.0L with approximately 129,000 miles. The vehicle has been experiencing persistent error codes P0171 (System Too Lean) and P0301 (Cyl...

98 2.0 Eclipse | P0171

Volvo V70 OBD2 Code P0171: Fuel Trim Bank 1 - Diagnosis and Next Steps

The oxygen sensor in bank 1 has already been replaced, but the check engine light remains on with OBD2 code P0171 (Fuel Trim Bank 1). Despite this repair, the issue persists. Wh...

Volvo v70 | P0171

1998 Jaguar XJ8 Misfire with P0175 and P0171 Codes: Diagnosis and Fix

I'm experiencing a noticeable misfire on my 1998 Jaguar XJ8, accompanied by diagnostic trouble codes P0175 and P017-than. I've already replaced the spark plugs, inspected fuel i...

1998 XJ8 Jaguar | P0171