P0008 on GMC ACADIA — Engine Position System Performance Bank 1

Q: "What does P0008 mean on a GMC ACADIA?"

"P0008 indicates: Engine Position System Performance Bank 1. This is a fuel and air metering code. 12 GMC ACADIA owners have reported this to NHTSA."

Q: "What are the most common causes of P0008 on GMC ACADIA?"

"Based on 12 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other, Power Train,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0008 serious on my GMC ACADIA?"

"Of 12 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my GMC ACADIA shows P0008?"

"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 P0008 Means on Your GMC ACADIA

P0008 is a diagnostic trouble code indicating: Engine Position System Performance 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.

12 GMC ACADIA owners have reported this issue to NHTSA across model years 2009-2011. Most reports come from the 2010, 2009 model years. The most commonly reported component is Engine (83.3% of reports).

Real GMC ACADIA Owner Reports

Source: NHTSA Complaints Database

"P0017 and p0008 error codes: my wife loves her acadia! dealership has done recalls, replaced rack and pinion and ps pump."

— 2009 GMC ACADIA owner · ENGINE · Filed 12/02/2018

"I own a 2010 gmc acadia. the code that was being thrown was p0008. i had to have the chains and actuators replaced in the engine. after paying for that the check engine light is back on again, so the vehicle is back at the shop again."

— 2010 GMC ACADIA owner · ENGINE · Filed 05/01/2019

"My acadia is throwing p0008 code. it began having power issues not being able to accelerate and pulling up the smallest hills. all of this started going 70mph down the interstate. not a good spot or time to decelerate. also started having a very rough idle."

— 2010 GMC ACADIA owner · ENGINE · Filed 02/25/2019

"Check engine light is on. vehicle is showing a p0008 code with 92,000 miles this is a crankshaft misalignment that i was told means the timing chain will need to be replaced. this is apparently a widespread issue amongst gmc acadia owners."

— 2010 GMC ACADIA owner · ENGINE · Filed 11/14/2018

"My check engine light came on and i thought it was the gas cap as it continued to go on and off. i had someone check the codes and it came back with p0017 and p0008. in addition now the a/c button won't stay on. it blinks then turns off."

— 2010 GMC ACADIA owner · UNKNOWN OR OTHER · Filed 04/11/2017

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

📊 Complaint Trend by Model Year

1

'09

10

'10

1

'11

Common Causes on GMC ACADIA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 83.3%

UNKNOWN or OTHER 8.3%

POWER TRAIN,ENGINE 8.3%

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 P0008 mean on a GMC ACADIA? ▾

P0008 indicates: Engine Position System Performance Bank 1. This is a fuel and air metering code. 12 GMC ACADIA owners have reported this to NHTSA.

What are the most common causes of P0008 on GMC ACADIA? ▾

Based on 12 NHTSA reports, the most commonly cited components are: Engine, Unknown Or Other, Power Train,Engine. These percentages are based on the component field in owner complaints.

Is P0008 serious on my GMC ACADIA? ▾

Of 12 NHTSA reports for this code on GMC ACADIA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my GMC ACADIA shows P0008? ▾

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.

P0008 on Other Vehicles

→ All codes reported on GMC ACADIA