Traditional gasoline car fault

2003 Mazda Tribute P0316, P0430, P0174 - Rough Acceleration and Misfire Issues

I've been experiencing ongoing issues with my 2003 Mazda Tribute. After replacing the fuel filter, the problem seemed to improve temporarily, but the check engine light remains ...

Mazda Tribute | P0174

1999 Chevrolet Camaro 3.8L V6: Persistent P0171 and P0174 Lean Codes After MAF Replacement

I recently purchased a 1999 Chevrolet Camaro with a 3.8L V6 engine, and I'm currently dealing with persistent P0171 and P0174 diagnostic trouble codes (DTCs). I've already repla...

99 camaro 3.8 v6 | P0171

99 Chevrolet Silverado 5.3L Engine P0171/P0174/P0137/P0157 Diagnosis: Lean Condition, Fuel Pressure Issues, and EGR Leak Fix

I recently purchased a 1999 Chevrolet Silverado with a 5.3L V8 engine that had been stored for an extended period. Within days of ownership, the truck began throwing multiple OB...

5.3 silverado | P0137

P0174 OBD2 Diagnostic Code in 2004 Ford Mustang Mach 1: Causes and Solutions

Hello, I've been experiencing the P0174 diagnostic code for approximately one year. The issue first appeared after just 100 miles of driving during an 110-mile trip home from my...

2004 Mach 1 Mustang | P0174

1997 Chevrolet C1500 4.3L Engine Fault Codes P0140, P0151, P0302 - Causes and Diagnosis

I own a 1997 Chevrolet C1500 with a 4.3L V6 engine. The vehicle is displaying three engine fault codes: P0140, P0151, and P0302. I'm trying to understand whether the first two c...

97 PU 4.3 | P0171

1996 Chevrolet S-10 Check Engine Light: OBD2 Codes P0121, P0171, P0174 Explained

I'm experiencing a check engine light on my 1996 Chevrolet S-10 with engine code readings showing P0121, P0171, and P0174. The vehicle has a 2.2L inline-four engine with catalyt...

1996 S-10 | P0121

2004 Chevrolet SSR with P0100, P0171-P0175, P0300, P0420 and U1041: OBD-II Codes After Fuel Changes and Tuner Issues

I own a 2004 Chevrolet SSR with 129,000 miles. Since winter 2014, I've experienced recurring engine issues that started when attempting to start the vehicle after sitting in sub...

2004 SSR | P0100

2005 Ford F150 Misfire and Fuel Trim Codes P0300, P0305, P0306, P0316, P0012, P0170, P0171, P0174 - Diagnosis and Fixes

A few days ago my 2005 Ford F150 displayed multiple OBD-II diagnostic codes: P0300, P0305, P0306, P0316, P0012, P0170, P0171, and P0174. I recently replaced the spark plugs, fue...

2005 F150 | P0012

2003 Ford Escape P2195 P2197 P0172 P0174 P0-175 Idle Surge Fix - MAF Sensor Diagnosis

My 2003 Ford Escape 3.0L engine starts normally but begins to surge when idling, especially at stops. The vehicle has been diagnosed with the following OBD-II fault codes: P2195...

2003 Escape | P0172

P0174 and P0301 Fault Codes on 2000 Ford F-150 V6: Diagnosis and Fixes

I'm experiencing persistent P0174 and P0300 codes on my 2000 Ford F-150 with a 5.4L V6 engine. I've already replaced the MAF sensor, fuel filter, spark plug wires, coil pack, an...

ford f 150 | P0174

1998 Ford Expedition Transmission Issues: P0174, P0155, P0135, P1136 - After Engine Replacement with 4.6L Motor

I recently replaced the engine in my 1998 Ford Expedition (245,000 miles) after a rod bearing failure occurred two weeks ago. The new engine is a 4.6L from a 1997 Lincoln Town C...

1998 Ford Expedition | P0135

2003 Lincoln Navigator 4WD 5.4L Engine P0172, P0174, P2196 - Slow Response Below 30mph After Transmission Replacement

My 2003 Lincoln Navigator with 4WD and a 5.4L V8 engine is experiencing slow acceleration, only responding up to 30 mph. The transmission was recently replaced, but the issue pe...

2003 Lincoln Navigator 4wd | P0172

1999 Ford Explorer P0171 and P0174 Codes: MAF Cleaned, Vacuum Check Complete, EGR Solenoid Still Shows Pulsating Vacuum at Idle

I recently cleaned the Mass Air Flow (MAF) sensor and performed a thorough vacuum leak check on the intake system—both tests came back negative. However, the vehicle continues t...

1999 Ford Explorer | P0171

1998 Ford F250 5.4L P0171 and P0174 Codes: Vacuum Leak Diagnosis & Intake Gasket Repair Guide

I own a 1998 Ford F250 Light Duty 4x4 with a 5.4L V8 engine, and recently encountered OBD2 diagnostic codes P0171 (Bank 1 Lean) and P0174 (Bank 2 Lean). These lean conditions ar...

98 F250 | P0171