One problem related to o2 sensor has been reported for the 2008 Chevrolet HHR. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet HHR based on all problems reported for the 2008 HHR.
The contact owns a 2008 Chevrolet Hhr. The contact stated that the computer monitor was providing incorrect information and the warning lights were illuminated. The vehicle was taken to the dealer who stated that the failure of the computer monitor was caused by the oxygen sensor. The vehicle was repaired under the vehicle warranty however, the failure recurred. The manufacturer was not notified of the failure. The failure mileage was 84,000, and the current mileage was 90,000.