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definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
22,500 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2008 Chevrolet Impala exhaust system problems

exhaust system problem

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2008 Chevrolet Impala Owner Comments

problem #2

Apr 182010


  • 45,000 miles


I own a 2008 with less than 50,000 miles on it and the check engine light came on. I had it diagnosed and was told it is the secondary air injection system (diagnostic trouble code P2444) which caused the vehicle to fail the emissions test. The dealership refuses to repair it and states the warranty is only valid for 3 years or 30,000 miles. I cannot get the vehicle inspected until the problem is fixed and the check engine light goes off. I am very disappointed that a car only 2 years old can have such a major problem in such a short amount of time. The repairs will cost $1600 to $2000 because it is an internal problem with the engine. I tried to get the code reset only to have the check engine light come back on.

- Houston, TX, USA

problem #1

Jun 152008


  • miles
My vehicle I purchases fro the dealer was supposedly in excellent shape. Not until I moved to los angeles, ca. I realized that the engine was not performing correctly. The engine is to drop down from a 8cycl to a 6cycl when it is in overdrive (60+mph). (this is called 'active fuel management system.) my engine would not due that. I took it to several dealers but they refused to fix the problem. Dealer said "it wasn't their fault. We bought this car from an auction". I feel their was something wrong with the car. Dealer inspection checklist was dated 3/26/2008. The car was a rental vehicle prior to me purchasing it as a used vehicle. The odometer reading was 12410 on 5/17/2008. I feel their was a problem with the engine "safety".

- Clifton,, CO, USA

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