Traditional gasoline car fault

1996 Mazda B2300 OBD-II P0171 and P1113 Fault Diagnosis and Solutions

I'm currently working on a 1996 Mazda B2300 with 169,000 miles. This vehicle is essentially a Ford Ranger with the same engine part numbers as Ford models. The check engine ligh...

1996 Mazda B2300 | P0171

P0171 and P0174 Diagnostic & Fix for 2003 Ford Taurus SES - Idling Issues After MAF Replacement

I'm looking for help with my 2003 Ford Taurus SES (SES model) that has 79,000 miles. The car runs fine under normal conditions but exhibits rough idling or suddenly shuts off wh...

FORD TAURUS | P0171

P0171 and P0174 on a 2000 Ford Explorer 4.0L - How to Fix Vacuum Leaks and IMRC Valves

I'm looking for help with my 2000 Ford Explorer 4.0L engine that's throwing up codes P0171 and P0174. I've already cleaned the mass air flow (MAF) sensor and replaced several va...

2000 FORD EXPLORER | P0171

2000 Ford Taurus 3.0L with 135K Miles - P0171 Code Appears Only in Cold Weather with Rough Idle

My 2000 Ford Taurus 3.0L has started exhibiting a rough idle and stalling issue when the engine is cold, particularly on mornings when outside temperatures are below 60°F. Once ...

2000 Taurus | P0171

P0171, P1537, P0133 Diagnostic Guide for 1998 Ford Windstar

I have a 1998 Ford Windstar and am seeing recurring check engine light issues despite having had the upper intake manifold repaired last year. The fault codes appearing are P017...

1998 ford Windstar | P0133

2004 BMW 325i P0171 and P0174 Lean Mixture Codes: Diagnosis and Fixes for Idle Issues

Hi everyone, I'm currently troubleshooting a persistent idle issue on my 2004 BMW 325i (2.5L V6, 105k miles) with an automatic Steptronic transmission. The car has started idl...

04 bmw 325i | P0171

2001 explorer sport, 4.0L, sohc, v6/86,000miles/ 0171, 0174

Ok, i know this is like a broken record on this website, but im having problems with the 0171 and 0174 codes on my explorer. I recently had these codes, plus the 0401 pop up....

2001 Explorer Sport | P0171

1997 Jeep Wrangler 107,000 Miles with P0171 and P0131 OBD2 Codes - Diagnosis and Fix

I recently purchased a 1997 Jeep Wrangler with 107,000 miles. After getting it back from the dealership—where they replaced the steering box and sensor—I started seeing two diag...

97 Jeep Wrangler | P0131

98 Ford E150 4.2L V6 with P0171 and P0174 Codes: Diagnosis and Fixes

Over the past few weeks, my 1998 Ford E150 4.2L V6 has been displaying both P0171 and P0174 OBD-II diagnostic codes. Initially, both codes appeared simultaneously, but now it's ...

Ford E150 | P0171

2005 Ford F-150 Power Loss and Unusual Codes P0300, P0171, P0174, P2196, P2198 After Cold Air Kit Installation

My friend recently asked me to check the engine codes on his 2005 Ford F-150, as it has started exhibiting poor performance and lack of power. The diagnostic scan revealed sever...

05 F-150 | P0171

1998 Chevy/Geo Metro 1.0L 3-Cylinder with Persistent PO171 Code: No MAF Sensor, No Vacuum Leaks - How to Diagnose and Fix

I'm at my wit's end with my 1998 Chevrolet/Geo Metro equipped with a 1.0L 3-cylinder engine and 5-speed manual transmission. The vehicle is throwing a persistent PO171 diagnosti...

98 chevrolet geo metro 1.0L | P0171

P0171 & P0174 Fault Diagnosis on 1996 Mercury Sable 3.0L DOHC - After Fuel Pump and Filter Replacement

I own a 1996 Mercury Sable 3.0L V6 DOHC with approximately 109,500 miles. Recently, I encountered persistent check engine light issues along with driving symptoms after replacin...

96 Mercury Sable 3.0 DOHC | P0171

2002 Ford F150 4.2L V6 with P0171 and P0174 Codes: Poor Performance Under Load and in Wet Conditions

I own a 2002 Ford F150 4.2L V6 with persistent P0171 and P0174 OBD2 diagnostic codes. These have been present for some time, and despite multiple attempts to resolve them, the i...

2002 F150 4.2 V6 | P0171

P0171 and P0174 Diagnostic Help for 2001 GMC Sonoma 4.3L V6 - Lean Condition & Vacuum Leak Troubleshooting

I'm experiencing persistent P0171 (System Too Lean Bank 1) and P0174 (System Too Lean Bank 2) codes on my 2001 GMC Sonoma 4.3L V6 engine. I've pulled freeze frame data showing a...

2001 Sonoma | P0171

P0171 and P0300 Fault Codes on 1996 Chevrolet Z28 LT1 Engine: Diagnosis and Fixes for Older Vehicles

I own a 1996 Chevrolet Z28 with approximately 47,000 miles. I've been experiencing intermittent Check Engine light activation over the past few months. The light typically comes...

LT1 | P0171

2002 f-150-----P0171 and P0174

02 f150 4.6 V8 auto......I am getting these two codes.......i change the fuel filter because that sounded like a good idea but it hasnt helped...i need to know if there is some...

2002 f-150 | P0171

P0171 System Too Lean (Bank 1) - Diagnosis and Repair for 1999 Toyota 4Runner V6

The P0171 diagnostic trouble code (DTC), indicating a system too lean condition on Bank 1, has persisted for over two years in my 1999 Toyota 4Runner V6. It disappeared during t...

1999 Toyota 4 Runner v6 | P0171