P0008 on Gmc Acadia
Engine Position System Performance Bank 1
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Acadia context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0008.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
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.
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."
"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."
"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."
"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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Acadia
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.