Four problems related to other fuel system have been reported for the 2008 Chevrolet Avalanche. The most recently reported issues are listed below.
Throwing p0430 and p0420 codes on new oem y-pipe catalytic converter assembly. Drove for 101 -140 miles and the check engine light comes on.
The contact owns a 2008 Chevrolet Avalanche. The contact stated that there was a fuel odor coming from the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 143,000.
I've had my truck for 4 years now and its been in the shop 5 times due to transmission problems. I've gotten the transmission rebuilt 5 times and its still giving me problems. 6/2014- present day.
The contact owns a 2008 Chevrolet Avalanche. The contact stated that while driving 40 mph, the vehicle began to hesitate. The contact stated that once he reached 60 mph, the failure stopped. The vehicle was taken to the dealer for inspection where they stated that the fuel module needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 60,000.
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