Table 1 shows nine common engine and engine cooling related problems of the 2011 Chevrolet HHR. The number one most common problem is related to the engine and engine cooling (14 problems). The second most common problem is related to the car stall (two problems).
The engine began a random misfire problem, p0300 code. I got the throttle body changed out, now the car revs higher every time I start it. It gives itself fuel in reverse and drive, with no help from the gas pedal. It is unsafe. Read details...
The contact owns a 2011 Chevrolet Hhr. The contact stated that while driving at approximately 60 mph, the engine reduced power warning light illuminated and the vehicle started to shake. Additionally, the vehicle stalled and was able to restart. Read details...
My 2011 Hhr has started acting up by throwing out the reduced engine power light, esc light and service traction light. This will happen when in park(when warning up the vehicle) and when im driving. It seems to happen more in cold weather. Read details...