P0171Medium Priority
System Too Lean (Bank 1)
Category: Powertrain• Fuel and Air Metering
50 articles · 5 makes affected
Owner Data Insights
Frequently Appears With P0171
These codes often appear together in owner reports. Check these if you see P0171.
- P017418 reports
- P03017 reports
- P03006 reports
- P04302 reports
- P04552 reports
- P00182 reports
- P03052 reports
- P01702 reports
Based on analysis of 41 owner reports where multiple codes appeared together.
Owner Statistics for P0171
Based on 167 real owner discussions • 24 confirmed solutions
$25
Average Repair Cost
14%
Success Rate
167
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
P0171 Issues by Vehicle
FORD
2010 F-150
Why Is Your 2010 F-150 Making a Clicking Noise?
100 sources
2010 F-150
2010 Ford F-150 Rattling Noise: How to Diagnose and Fix Axle Issues
100 sources
2018 F-150
How to Fix P0171 Code on Your 2018 Ford F-150
3 sources
2010 Expedition
2010 Ford Expedition Slipping: How to Diagnose and Fix It
100 sources
2010 F-150
Why Your 2010 Ford F-150 Has Hard Start & Backup Camera Problems
100 sources
2010 F-150
2010 Ford F-150 Overheating? Check Your Battery First
100 sources
2010 F-150
Why Is My 2010 Ford F-150 Making a Knocking Noise?
100 sources
2010 Mustang
2010 Ford Mustang Fuel Injector Issues? Here's How to Fix It
85 sources
2010 F-150
2010 Ford F-150 Misfire? Here's How to Diagnose and Fix It
100 sources
2010 F-150
2010 Ford F-150 Stalling? How to Fix Back Up Camera Problems
100 sources
2010 F-150
2010 Ford F-150 Fuel Economy Problems? Check Your E-Brake!
100 sources
2025 Mustang
Is Your 2025 Ford Mustang Stalling? Intake Leak & MAF Sensor Fix
82 sources
2010 Expedition
2010 Ford Expedition Hard Start? Here's How to Fix It
100 sources
2020 F-150
2020 Ford F-150 Throttle Body Issues: Diagnosis and Repair
140 sources
2016 Mustang
Why is Your 2016 Ford Mustang Making a Whining Noise?
100 sources
2010 Mustang
2010 Ford Mustang Fuel Injector Problems? Check Your MAF!
112 sources
2010 Focus
2010 Ford Focus Misfire? Common Causes & DIY Fixes
92 sources
2025 Mustang
2025 Ford Mustang Intake Manifold Leak? Here's How to Fix It
108 sources
2016 Mustang
2016 Ford Mustang Hesitation? How to Diagnose and Fix It
96 sources
2010 Mustang
2010 Mustang Fuse Keeps Blowing? Here's How to Fix It
93 sources
2010 F-150
2010 Ford F-150 Check Engine Light? How to Fix Passenger Seat Issues
100 sources
2020 Mustang
Stop Your Mustang's Oil Leak: The Real PCV System Fix
345 sources
2010 F-150
2010 Ford F-150 Grinding Noise: Diagnosing & Fixing the Fuse Compartment
100 sources
2010 F-150
2010 Ford F-150 Vibration? How to Diagnose and Fix It
100 sources
2020 F-150
2020 Ford F-150 Throttle Body Problems? Here's How to Fix It
155 sources
NISSAN
2010 Maxima
Why is My 2010 Nissan Maxima Making a Clicking Noise?
100 sources
2010 Maxima
My 2010 Nissan Maxima Has No Power: What's Wrong?
100 sources
2010 Maxima
2010 Nissan Maxima Vibrating? How to Diagnose Fuel System Issues
100 sources
2010 Maxima
2010 Nissan Maxima Check Engine Light: Diagnosing Fuel System Problems
100 sources
2010 Maxima
How to Fix a Misfire on Your 2010 Nissan Maxima
100 sources
2010 Maxima
2010 Nissan Maxima Hard Start? Diagnose & Fix Fuel Issues
100 sources
2010 Maxima
Why Your 2010 Nissan Maxima Stalls and How to Fix It
100 sources
2010 Maxima
Why is My 2010 Nissan Maxima Making a Rattling Noise?
100 sources
2010 Maxima
2010 Nissan Maxima Hesitation Problems? A DIY Troubleshooting Guide
100 sources
2010 Maxima
2010 Nissan Maxima: How to Fix a Fuel System Whining Noise
100 sources
2010 Maxima
2010 Nissan Maxima Hard Shifting? Check Your Fuel System
100 sources
2020 Maxima
2020 Maxima Intake Leak: Symptoms, Diagnosis & Fixes
113 sources
2020 Maxima
2020 Nissan Maxima Battery Drain? Diagnosing and Fixing Intake Leaks
117 sources
2020 Maxima
2020 Nissan Maxima Battery Replacement: Step-by-Step Guide
136 sources
2020 Maxima
Why Your Maxima's Fuse Keeps Blowing (And How to Stop It)
96 sources
TOYOTA
2010 Corolla
Why is Your 2010 Toyota Corolla Overheating? (And How to Fix It)
85 sources
2010 Camry
Grinding Noise in Your 2010 Toyota Camry? How to Fix It
100 sources
2010 Camry
2010 Toyota Camry: Check Engine Light Guide
100 sources
2010 Corolla
Fixing a Clicking Noise in Your 2010 Toyota Corolla Sound System
100 sources
2020 4Runner
2020 Toyota 4Runner Brake Rotor Replacement: A Comprehensive Guide
164 sources
2020 4Runner
Why is Your 2020 4Runner Transmission Shuddering? (And How to Fix It)
93 sources
2020 4Runner
Fixing 2020 4Runner Brake Squeal or Wobble: Rotor Replacement Guide
193 sources