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really awful
Crashes / Fires:
1 / 2
Injuries / Deaths:
1 / 0
Average Mileage:
39,528 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.

2015 Chevrolet Impala engine problems

engine problem

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2015 Chevrolet Impala Owner Comments

problem #10

Apr 132020


  • miles


Owners of 2014-2015 Impala are not able to get this part call the rocker arm control valve. They no longer make this part to fix the cars. So people who own those model cars are forced to trade in cars that their still paying car notes on. GMC has not spoke about this matter and left their customers stuck out without warning. We are forced to go back into long term car notes when half of the people almost finished paying off their note. And others have paid off their car that's 5 years old that they can no longer buy. It's very said.

- Baker, LA, USA

problem #9

Jan 092020


  • 89,000 miles
Rocker arm oil control value was replaced once and has went out again and the piece was said to be faulty but GMC cannot tell anyone a date on when they will have this part available.ive had this part replaced oncve already and now im being told it is no longer available and my car that I haven't had even a year cant be fixed

- Camden, TN, USA

problem #8

Sep 052019


  • 71,000 miles
P16D0 code

- Bohemia, NY, USA

problem #7

Jul 192019


  • 60,000 miles


The contact owns a 2015 Chevrolet Impala. The contact stated that while driving at approximately 25 mph, the vehicle stalled without warning causing another vehicle to crash into the rear. The contact mentioned that the police was there but was unaware if a report was filed. The air bags did not deploy. The contact stated that there were no injuries. The vehicle was not drivable and was towed to a tire facility where the failure was undetermined the vehicle was then towed to serra Chevrolet Buick GMC of nashville (2340 gallatin pike N, madison, tn 37115 (615) 543-5456) where the contact failed to remember the diagnosis however, did recall that the batter was replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 60,000. The VIN was not provided.

- Hermitage, TN, USA

problem #6

Dec 242018


  • 45,000 miles
While driving my car suddenly the information area on the dash board said "service stabil a track " "service traction control" and "power to engine reduced" then the service engine light came on. When I took it to the dealership the service rep told me that I would need to replace the high pressure fuel pump and the fuel feed pipe. He asked if I was using E85. I told him I was and he told me that E85 causes that damages in the Chevrolet vehicles and is why he won't use it in his own vehicle. The owner's manual encourages useing E85. GM will not pay to repair this even though I followed their owner's manual.

- Muncie, IN, USA

problem #5

May 042018

Impala 6-cyl

  • Automatic transmission
  • 29,000 miles
The contact owns a 2015 Chevrolet Impala. While the contact was parallel parking with one foot on the brake pedal, he opened the driver's door and placed the other foot on the outside pavement. The vehicle suddenly surged forward and pulled the contact out of the vehicle. The contact's foot became pinned by the rear wheel of the vehicle. It took the contact half an hour to wiggle out from under the vehicle. The contact quickly shut off the vehicle. The contact was bruised and scratched and later received medical attention. A police report was not filed. The dealer (nimnicht Chevrolet, 1550 cassat avenue, jacksonville, fl 32210, (904) 677-8823) diagnosed that the purge solenoid was stuck open and caused the vehicle to lurch forward. The vehicle was repaired. A week later, while driving, the engine revved and the contact had to depress the brake pedal with both feet. The contact shifted the vehicle into neutral and the engine immediately decreased from 3,000 rpms. The contact called the manufacturer and was provided a claim number. The manufacturer sent a claims representative to visit the contact, take pictures, and record the failure. The contact was waiting for a representative from the manufacturer to call him back. The failure mileage was 29,000.

- Jacksonville, FL, USA

problem #4

Apr 112018


  • 41,999 miles


GM reimbursed me for one of two repairs needed to fix a problem that caused the check engine light to turn on. These two repairs were performed three months prior to GM's July 2018 letter advising me of additional protection for my 2015 Impala. I was denied reimbursement for the first fix identified by the car's computer to replace the evac canister vent valve solenoid costing $198.77. I was reimbursed for the second fix to replace the purge valve costing $147.55. In April 2018, GM had not identified any fix other than the ones identified by my car's computer. Therefore, both my repairs were performed to fix this problem and should have been reimbursed as fixes for the inoperative purge solenoid additional protection GM identified in its July 2018 letter to me.

- Poughkeepsie, NY, USA

problem #3

Dec 202017


  • 35,000 miles
Engine fire

- Wheaton, IL, USA

problem #2

Aug 062017


  • 23,800 miles
Parked ca on concrete driveway of residential home at approx. 9:30pm 8/5/17 locked car & went to bed. Was awakened at 5:30am and told car was on fire. Car was destroyed before fire dept. Arrived..

- Bradenton, FL, USA

problem #1

Nov 212014


  • 480 miles
Severe vibration with foot on brake pedal transmission in drive, the colder the outside temp. The worse the vibration gets. Been to dealership 6 times different repairs made nothing worked. I have all repair documents. Chevrolet acknowleged the problem however has no solution.

- Ankeny, IA, USA

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