P0171 on CHEVROLET MALIBU — System Too Lean Bank 1

Q: "What does P0171 mean on a CHEVROLET MALIBU?"

"P0171 indicates: System Too Lean Bank 1. This is a fuel and air metering code. 3 CHEVROLET MALIBU owners have reported this to NHTSA."

Q: "What are the most common causes of P0171 on CHEVROLET MALIBU?"

"Based on 3 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0171 serious on my CHEVROLET MALIBU?"

"Of 3 NHTSA reports for this code on CHEVROLET MALIBU, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET MALIBU shows P0171?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0171 Means on Your CHEVROLET MALIBU

P0171 is a diagnostic trouble code indicating: System Too Lean Bank 1. This code relates to the fuel and air metering system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 CHEVROLET MALIBU owners have reported this issue to NHTSA across model years 2014. Most reports come from the 2014 model year. The most commonly reported component is Engine (66.7% of reports).

Real CHEVROLET MALIBU Owner Reports

Source: NHTSA Complaints Database

"The headlights burn out frequently the air conditioner does not work the ignition had to be replaced there's always a code of p0171 the start/stop feature does not work the brakes make the car shake."

— 2014 CHEVROLET MALIBU owner · ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM · Filed 10/02/2023

"While driving 60 MPH on the highway my car started stuttering then lost all power. It threw 3 codes P0131, P2097 and P0171. I have spent over $1,000.00 and a month later they tell me it was my intake bolts that were loose."

— 2014 CHEVROLET MALIBU owner · ENGINE · Filed 03/11/2024

"Found loose intake manifold bolts. causing intermittent code p0171 fuel trim lean."

— 2014 CHEVROLET MALIBU owner · ENGINE · Filed 08/08/2019

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

3

'14

Common Causes on CHEVROLET MALIBU

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 66.7%

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 33.3%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0171 mean on a CHEVROLET MALIBU? ▾

P0171 indicates: System Too Lean Bank 1. This is a fuel and air metering code. 3 CHEVROLET MALIBU owners have reported this to NHTSA.

What are the most common causes of P0171 on CHEVROLET MALIBU? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0171 serious on my CHEVROLET MALIBU? ▾

Of 3 NHTSA reports for this code on CHEVROLET MALIBU, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET MALIBU shows P0171? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.