P0172 on HONDA CR-V — System Too Rich Bank 1

Q: "What does P0172 mean on a HONDA CR-V?"

"P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 43 HONDA CR-V owners have reported this to NHTSA."

Q: "What are the most common causes of P0172 on HONDA CR-V?"

"Based on 43 NHTSA reports, the most commonly cited components are: Fuel/Propulsion System, Engine,Fuel/Propulsion System, Power Train,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0172 serious on my HONDA CR-V?"

"Of 43 NHTSA reports for this code on HONDA CR-V, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my HONDA CR-V 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 HONDA CR-V

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.

43 HONDA CR-V owners have reported this issue to NHTSA across model years 2016-2019. Most reports come from the 2017, 2018 model years.

Real HONDA CR-V Owner Reports

Source: NHTSA Complaints Database

"1.car is too much bumpi from day1 2.every time star with shake 3.gas paddel need to push twice to run the car 4.all injectors and spark plugs are changed new (bought from honda} 5.still giving code p0172 system too rich bank 1, 6."

— 2016 HONDA CR-V owner · STRUCTURE,ENGINE,FUEL/PROPULSION SYSTEM · Filed 07/14/2021

"All lights on dash coming on. Codes p0172 and p0303 pop up on obd scanner. Mafs , spark plugs, ignition coils and air filters all replaced. Car goes into limp mode. 124,800 miles. Dealer says fuel injectors failed and needs replacing, research shows this is a common issue for the."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 08/08/2025

"2017 Honda CR-V with 132118 miles has intermittently been experiencing all dash display alarms activating at the same time for past 25k miles. (ie) hill start assist, brake system problem, power steering system problem, vehicle stability assist problem, etc..."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 05/21/2025

"The vehicle experienced multiple system failures, indicated by error messages in 11 different systems, including the check engine light."

— 2017 HONDA CR-V owner · POWER TRAIN,ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM · Filed 07/15/2024

"In June 2024 the first warning that appeared was an emissions warnings. The vehicle seemed to be running fine despite the warning. After the warning was cleared, the vehicle continued to run well."

— 2017 HONDA CR-V owner · FUEL/PROPULSION SYSTEM · Filed 08/02/2024

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

📊 Complaint Trend by Model Year

1

'16

23

'17

12

'18

7

'19

Common Causes on HONDA CR-V

Based on NHTSA complaint component analysis for this vehicle.

FUEL/PROPULSION SYSTEM 27.9%

ENGINE,FUEL/PROPULSION SYSTEM 14%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 14%

FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE 9.3%

ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE 4.7%

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 HONDA CR-V? ▾

P0172 indicates: System Too Rich Bank 1. This is a fuel and air metering code. 43 HONDA CR-V owners have reported this to NHTSA.

What are the most common causes of P0172 on HONDA CR-V? ▾

Based on 43 NHTSA reports, the most commonly cited components are: Fuel/Propulsion System, Engine,Fuel/Propulsion System, Power Train,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0172 serious on my HONDA CR-V? ▾

Of 43 NHTSA reports for this code on HONDA CR-V, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HONDA CR-V 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.