Last reported case: 2 months ago
Based on 5 owner reports (3 from Reddit, 2 from forums)
What is P0171?
P0171 indicates your engine's Bank 1 is running with too much air and not enough fuel, which is called a 'lean' condition. This is a medium-severity powertrain issue that can reduce fuel economy and performance, and it's commonly triggered by vacuum leaks or faulty sensors. Based on 551 reports, repairs for this code average $4596, with Ford Mustangs and F-150s being among the most frequently affected vehicles.
Common Causes:
- Vacuum leaks in intake hoses or gaskets (reported in numerous discussion clusters)
- Faulty mass airflow (MAF) or oxygen (O2) sensors
- Clogged or failing fuel injectors
- Fuel delivery issues like a weak fuel pump or clogged filter
Symptoms:
- Check Engine Light is illuminated
- Reduced engine power or hesitation during acceleration
- Poor fuel economy
- Rough idle or engine misfires
πP0171 on 2010 DODGE Ram
This page focuses specifically on P0171 issues reported by 2010 DODGE Ram owners. The experiences and fixes below are from real owners of this exact vehicle.
Symptoms Reported by 2010 DODGE Ram Owners:
Parts Often Involved:
What Owners Say
Real experiences from 2010 DODGE Ram owners
βHowdy all, I have a 2003 Dodge Ram 2500 with the 5.7 Hemi V8. I bought it used from a guy a few months ago who was very attached to this truck and had a lot of pride in it.βView original
βI bought it used from a guy a few months ago who was very attached to this truck and had a lot of pride in it. He figured it was time to let it go after he upgraded to something newer.βView original
βSheβs got 160,000 miles and I perform all the maintenance and work on her myself. Now the problem Iβve been having for over a year now is the dreaded code p0171 lean condition.βView original
βIβve thrown the parts cannon at this too many times. Iβve replaced all o2 sensors, put on new exhaust from manifold to tailpipe, new manifold gaskets, map sensor and air temp sensor, new fuel injectors, cleaned the fuel rail, new fuel pump, smoke tested it and found no leaks.βView original
β2005 Dodge Ram 1500 w 5.7 and 36K miles. My dad bought this truck in 2012 and it pretty much got parked in a garage for years with a 1/2 tank of fuel.βView original
βMy dad bought this truck in 2012 and it pretty much got parked in a garage for years with a 1/2 tank of fuel. Got it out the end of March and got it home.βView original
These are real experiences shared by 2010 DODGE Ram owners on automotive forums and communities. Results may vary based on vehicle condition and repair quality.
About This Data
This page aggregates 5 discussions about P0171 from 2010 DODGE Ram owners across automotive communities.
Success rate (0%) is calculated from posts where owners confirmed whether their fix resolved the issue.
Last updated: 12/12/2025