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P0171 on CHEVROLET EQUINOX

Severity
Medium
NHTSA Reports
3
Most Affected
2006, 2023

What P0171 Means on Your CHEVROLET EQUINOX

Real CHEVROLET EQUINOX Owner Reports (Source: NHTSA Complaints Database)

"I took the vehicle to the shop to get it checked on 11-21-11. we took the vehicle thinking that a piston was bad, because that was the way it felt, like not getting the right pressure from the piston once the brakes were activated/pressed."

— 2006 CHEVROLET EQUINOX owner • SERVICE BRAKES, HYDRAULIC,ELECTRICAL SYSTEM • Filed 11/21/2011

"Vehicle will not pass state required emission, due to readiness error code. for reasons unknown the evap and egr system code will not reset (not ready code). we were told by several mechanics to drive the vehicle for several hundred miles."

— 2006 CHEVROLET EQUINOX owner • POWER TRAIN • Filed 04/14/2011

"Traveling 75 mph on a 3-lane highway when the car jerked (as if it was downshifted), started to rattle, and then ultimately a CE came on with the "Engine Power Reduced" warning on the dash."

— 2023 CHEVROLET EQUINOX owner • ENGINE,FUEL/PROPULSION SYSTEM • Filed 01/08/2024

Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.

Common Causes of P0171 on CHEVROLET EQUINOX

33.3%
33.3%
33.3%

Percentages based on NHTSA complaint component analysis for this vehicle.

Complaint Trend by Year

2006
2
2023
1

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.

  2. 2
    Get a proper diagnosis

    A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.

  3. 3
    Compare repair quotes

    Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.

P0171 on Other Vehicles

Data sourced from the National Highway Traffic Safety Administration (U.S. Department of Transportation) and the SAE J2012 OBD-II standard. Code definitions follow the SAE J2012 / ISO 15031-6 standard. Owner reports are filed directly with NHTSA by vehicle owners. This information is provided for educational purposes only and should not replace professional automotive diagnosis. Always consult a qualified mechanic for vehicle repair decisions.

Last updated: March 2026