P0172 on CHEVROLET EQUINOX — System Too Rich Bank 1

Q: "What does P0172 mean on a CHEVROLET EQUINOX?"

"P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 4 CHEVROLET EQUINOX owners have reported this to NHTSA."

Q: "What are the most common causes of P0172 on CHEVROLET EQUINOX?"

"Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Engine, Engine,Fuel/Propulsion System, Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0172 serious on my CHEVROLET EQUINOX?"

"Of 4 NHTSA reports for this code on CHEVROLET EQUINOX, 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 EQUINOX shows P0172?"

"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 P0172 Means on Your CHEVROLET EQUINOX

P0172 is a diagnostic trouble code indicating: System Too Rich 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.

4 CHEVROLET EQUINOX owners have reported this issue to NHTSA across model years 2010-2015. Most reports come from the 2013, 2010 model years.

Real CHEVROLET EQUINOX Owner Reports

Source: NHTSA Complaints Database

"It started with the check engine light would come on and the stabilitrak light coming on sometimes. and you hear a rough idle.and a horrible rattling noise was coming from the engine while parked and. when i drove the car when accelerating it sounded worse as if i was driving a diesel truck."

— 2010 CHEVROLET EQUINOX owner · POWER TRAIN,ENGINE · Filed 11/08/2012

"2013 Equinox Awd - Issue while driving and coming to a stop or low idle car stalls out while waiting to turn in intersection. Very scary car goes into limp mode after about 15 minutes of driving with engine light on."

— 2013 CHEVROLET EQUINOX owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 03/25/2022

"Engine runs rich with a P0172 code and requires a new fuel pump to resolve the issue. Causes an engine light, fluctuating tach reading at idle, excess fuel consumption, and some performance issues as the computer figures out how to compensate."

— 2013 CHEVROLET EQUINOX owner · FUEL/PROPULSION SYSTEM · Filed 07/11/2021

"The contact owns a 2015 Chevrolet Equinox. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. While the vehicle was stopped at a traffic light, the vehicle jerked and idled roughly and nearly stalled."

— 2015 CHEVROLET EQUINOX owner · FUEL SYSTEM, GASOLINE · Filed 11/20/2025

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

📊 Complaint Trend by Model Year

1

'10

2

'13

1

'15

Common Causes on CHEVROLET EQUINOX

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,ENGINE 25%

ENGINE,FUEL/PROPULSION SYSTEM 25%

FUEL/PROPULSION SYSTEM 25%

FUEL SYSTEM, GASOLINE 25%

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 P0172 mean on a CHEVROLET EQUINOX? ▾

P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 4 CHEVROLET EQUINOX owners have reported this to NHTSA.

What are the most common causes of P0172 on CHEVROLET EQUINOX? ▾

Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Engine, Engine,Fuel/Propulsion System, Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0172 serious on my CHEVROLET EQUINOX? ▾

Of 4 NHTSA reports for this code on CHEVROLET EQUINOX, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET EQUINOX shows P0172? ▾

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.