Traditional gasoline car fault

1997 Lincoln Town Car Executive P0174 Lean Bank 2 and P0302/P0303 Misfire: What Does 'Bank 2' Mean and Where to Check for Leaks?

I own a 1997 Lincoln Town Car Executive and recently received diagnostic codes P0302 (cylinder 2 misfire), P0303 (cylinder 3 misfire), and P0174 (lean condition in Bank 2). I'm ...

unknown | P0174

Ford F-150 2003 - P0171, P0174, P1131, and P1151 Diagnostic Guide

Good morning, I'm working on a 2003 Ford F-150 that is displaying the following OBD2 diagnostic codes: P0171, P0174, P1131, and P1151. These codes indicate issues with fuel mix...

03 Ford F150 | P0171

2003 Chevrolet Express 6.0 Engine Fault Codes P0154, P0174, P0300: Causes, Diagnosis & Fixes

I own a 2003 Chevrolet Express 6.0 with 92,000 miles. The engine malfunction light flashes only when driving over 60 mph and stops when I slow down. My OBD-II scanner shows thr...

2003 Chevrolet Express | P0154

2003 Ford Taurus SES P0171 and P0174 Fault: Leaking Intake Hose Fix & Ford Recall Concerns

This issue has been resolved, but the root cause was a significant leak in the intake manifold hose. The problem is widespread across many 2003 Ford Taurus SES models, with nume...

2003 Ford Taurus SES | P0171

2003 Ford Taurus SES P0171 & P0174 codes (no real symptoms)

2003 ford taurus ses, 47,000 miles history: recently had an oil change, tire rotation, air filter replacement about a week later, i found water on my passenger floor (after it w...

2003 Ford Taurus SES | P0171

1997 Dodge Avenger 2.5L V6 P0171 and P0174 OBD2 Codes: Diagnosis & Solutions for Lean Mixtures

I own a 1997 Dodge Avenger with a 2.5L V6 engine, and I'm currently experiencing persistent OBD2 diagnostic codes P0171 and P0174 — two sets of each. After replacing all four ox...

1997 Dodge Avenger | P0171

P0174 OBD2 Code on 2002 Ford F250 5.4L Triton V8 - Diagnosis & Fix Guide

I own a 2002 Ford F25-0 with the 5.4L V8 Triton engine. My OBD2 scan tool detected a P0174 code, which indicates that Bank 2 Sensor 1 Oxygen (Oxy) sensor is detecting a lean fue...

2002 F250 | P0174

2001 Ford Explorer Sport Trac: Diagnosing P0401, P0171, and P0174 Emissions Codes

During my recent emissions inspection, my 2001 Ford Explorer Sport Trac triggered three diagnostic trouble codes: P0401, P0171, and P0174. I anticipated a failure due to the 'Ch...

2001 Explorer Sport Trac | P0171

2002 Ford F150 Multiple Misfires: P0305, P0306, P0308, P0316, and P0174 - Diagnosis and Fixes

Hello everyone, I'm looking for help with a persistent issue on my stepfather's 2002 Ford F150. Recently, the truck started running very poorly without any prior warning signs o...

02 f150 | P0174

2001 Chevy Tahoe P0300 and P0174: Random Misfire and Bank 2 Lean Diagnosis

Hello everyone. I'm currently troubleshooting a 2001 Chevrolet Tahoe with persistent DTCs: P0300 (random misfire) and P0174 (Bank 2 lean). The engine is a supercharged 6.0L LQ9 ...

01 Tahoe | P0174

Ford Contour 2000 P0174 Code: Idle Hesitation, Low Compression, and Engine Misfires

Dear forum members and experts, I recently purchased a 2000 Ford Contour with a 2.5L V6 engine (98,000 miles). The car runs fine at idle when parked or in neutral, but experien...

Contour | P0174

2007 GMC 5.3L Truck P0171 and P0174 - Starts on Second Try, Fuel Pressure Drops After Shutdown

I've searched the forums extensively but can't find a solution for my 2007 GMC 5.3L V8 truck. The vehicle will not crank successfully on the first attempt—typically taking about...

2007 GMC Truck | P0171

2007 GMC 5.3L Engine P0171 and P0174 Fault: First Crank Failure Resolution

I've searched extensively in the forums but haven't found a solution for my 2007 GMC 5.3L V8 truck. The vehicle fails to start on the first crank attempt, taking approximately 5...

2007 GMC | P0171

1999 Chevy Silverado Fault Codes P0327, P0171, and P0174: Diagnosis and Solutions

I'm experiencing multiple check engine light issues on my 1999 Chevrolet Silverado, with fault codes P0327, P0171, and P0174. The vehicle runs roughly at idle but becomes unstab...

1999 Chevy Silverado | P0171

1999 Chevy Silverado Codes P0327, P0171, and P0174

most of the time yes!

1999 Chevy Silverado | P0171

2007 Ford Mustang V6 P0171 and P0175 Codes: Diagnosis and Fix Guide

Hi everyone, I own a 2007 Ford Mustang with a 5.0L V6 engine. Last week, the service light came on, and I started noticing a significant loss of power and hesitation during acc...

Ford Mustang v6 2007 | P0171

2003 Cadillac Deville P0174 - Engine Misfires and Idle Issues After Plug Replacement

During a recent 100-mile round trip at approximately 60 mph, my 2003 Cadillac Deville began experiencing severe idle misfiring, nearly stalling at low speeds. I checked the diag...

2003 Deville | P0174

1999 Chevy Silverado P0327, P0171, P0174 Fault Codes: Diagnosis and Fixes

I currently don't have access to a scan tool to read the engine codes. I'm experiencing multiple fault codes on my 1999 Chevrolet Silverado: P0327 (misfire detected), P0171 (fue...

1999 Chevy Silverado | P0171