P0171 on CHEVROLET CRUZE — System Too Lean Bank 1

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

"P0171 indicates: System Too Lean Bank 1. This is a fuel and air metering code. 10 CHEVROLET CRUZE owners have reported this to NHTSA."

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

"Based on 10 NHTSA reports, the most commonly cited components are: Engine, Engine,Fuel/Propulsion System, Unknown Or Other. These percentages are based on the component field in owner complaints."

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

"Of 10 NHTSA reports for this code on CHEVROLET CRUZE, 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 CRUZE 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 CRUZE

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.

10 CHEVROLET CRUZE owners have reported this issue to NHTSA across model years 2011-2016. Most reports come from the 2012, 2015 model years.

Real CHEVROLET CRUZE Owner Reports

Source: NHTSA Complaints Database

"Mil p0171 code, replaced 3 valve covers because of the pcv and now i've been informed the intake manifold is defective."

— 2011 CHEVROLET CRUZE owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 10/01/2013

"Stability trac and traction control light appears, vehicle experiences immediate loss of power. experienced while driving on freeway attempting to change lanes. due to the sudden loss of power i was nearly struck by a big rig."

— 2011 CHEVROLET CRUZE owner · VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) · Filed 11/14/2015

"Everything that has to do with the air in cabin and air intake for engine fails. Have issues all the time with it , told I need to fix one part then that fails again. Can’t use the AC in this car more than half the time if not an issue arises."

— 2012 CHEVROLET CRUZE owner · ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM · Filed 10/10/2023

"Even after free repair due to being covered under warranty, the new pcv valve and cover are leaking again. engine idles roughly, both in park and in drive. this is a known issue with chevrolet cruze, but my vin is not part of the recall."

— 2012 CHEVROLET CRUZE owner · ENGINE · Filed 04/10/2018

"Mil came on while driving, vehicle set p0171 p0106 codes, idles rough. valve cover cracked at pcv housing and pcv valve stuck open resulting in air leak."

— 2012 CHEVROLET CRUZE owner · ENGINE · Filed 08/05/2016

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

📊 Complaint Trend by Model Year

2

'11

3

'12

1

'14

3

'15

1

'16

Common Causes on CHEVROLET CRUZE

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 30%

ENGINE,FUEL/PROPULSION SYSTEM 20%

UNKNOWN or OTHER 20%

VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 10%

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 10%

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 CRUZE? ▾

P0171 indicates: System Too Lean Bank 1. This is a fuel and air metering code. 10 CHEVROLET CRUZE owners have reported this to NHTSA.

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

Based on 10 NHTSA reports, the most commonly cited components are: Engine, Engine,Fuel/Propulsion System, Unknown Or Other. These percentages are based on the component field in owner complaints.

Is P0171 serious on my CHEVROLET CRUZE? ▾

Of 10 NHTSA reports for this code on CHEVROLET CRUZE, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET CRUZE 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.