2012 Chevrolet Impala fuel system complaints

Filed Apr 27, 2016 · Electrical, Fuel system · 50,800 miles · TX

Driving 55 MPH on the interstate noticed that I hadn't filled up in a while yet the fuel gauge still read "completely full". Filled up at gas station took 3/4 of a tank. Gauge has been alternating between full and completely empty for a month. Could have run out of gas at speed on interstate causing accident internet research has uncovered a few incidents like that. Chevy support is willing to waive the 50 dollar diagnostic fee but will not cover repairs. Local garage quoted 250 labor 160 part to replace fuel gauge sensor in the tank, but from online research past years have seen instrument cluster failures in fuel gauge, speedometer and engine temp. Car has 50800 miles on it is four years old and may require repairs 400-2k depending on which part is failure. Previous gm products have had class action lawsuits for similar issues. This is a safety issue as the gauge fails and the check engine light took 25 days to come on with the error code in the 460's that the sensor was bad. Currently driving vehicle with broken fuel gauge and submitting complaints talking with support to try to get them to cover repairs.

Filed Feb 23, 2016 · Engine, Fuel system · 58,168 miles · SC

Tl* the contact owns a 2012 chevrolet impala. The contact stated that fuel injectors 1, 3, and 5 malfunctioned and fuel traveled straight through the exhaust system. The contact noticed a fuel odor coming from the rear exhaust. The dealer diagnosed that injector ports 1, 3, and 5 needed to be replaced. The contact was advised not to drive the vehicle. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 58,168.

Filed Aug 20, 2015 · Airbags, Fuel system · 15,100 miles · PA

Tl* the contact owns a 2012 chevrolet impala. After the vehicle was started, there was an abnormal noise coming from the rear driver side of the vehicle intermittently. In addition, the contact stated that when the front passenger side seat was occupied, the air bag off warning light illuminated. The vehicle was taken to the dealer, but the vehicle was not diagnosed or repaired. In addition, when refueling the vehicle, the fuel sensor failed and fuel spilled out as the mpg malfunction warning light illuminated. The vehicle was taken to a dealer, but the failure was unable to be diagnosed. The manufacturer was notified of the failure. The failure mileage was 15,100.

Filed Apr 17, 2015 · Engine, Fuel system · 25,000 miles · MN

Gm service bulletin id: 3650687.

Filed Mar 30, 2015 · Driver assistance, Fuel system · 49,000 miles · PA

Car cut offs when put into drive car cuts off while driving. Rpm odometer stops working. Check engine light comes on reduce engine power. Stability track and ABS stop car from turning. Gm dealer said its battery terminal wires and a new battery changed both and same issue. Fuel pressure sensor keeps going bad replaced twice. Car is choking on to much fuel rotten eggs smell coming from exhaust. Car is very dangerous to drive has cut off on me in traffic to many times now. Once and if problems are ever found their needs to be a recall to prevent injury or death.

Filed Nov 26, 2013 · Acceleration, Engine · 29,000 miles · PA

When driving with the engine at lower than normal driving temperature, driver stops at a stop sign and with hard acceleration the engine surges from full power to dying out as tho fuel starved.this continues in a jerking action. Until; the driver removes his foot from the accelerator and then presses the gas feed again at which time the engine runs smoothly. This has happened on numerous occasions, however the dealership can find nothing wrong as the engine is now at normal running temp. Driver was told the problem is in the throttle body of the fuel system --- help..

Filed Jun 15, 2013 · Fuel system · 31,100 miles · ME

The vehicle has a loud knocking sound from the high pressure fuel pump when you take off from a stop.

Filed May 24, 2012 · Acceleration, Fuel system · NY

2012 chevrolet impala lt. Consumer states high pressure fuel pump is very noisy when accelerating from a stand still and also states issues with vibration *tgw the consumer stated the accelerator motor made a loud noise. The consumer stated the fuel lines, which apparently run directly under the driver's side floor, vibrate due to the harmonics set up by the high pressure fuel pump. The vibration is continuous and can be felt through the floor and up into the driver's seat.