Question

2008 Chevrolet HHR with engine code P0442, how much to fix? How much is the repair?

Answer 1

P0442 Evaporative emission small leak detected

Is the secured, a small leak more a fuel cap than anything else.

 

Not properly securing the fuel cap is the main cause of EVAP codes. All fuel caps have a seal, the seal tends to wear out. it may not even show any sign of wear. When it comes to an EVAP code the fuel cap should always be checked. As for the cost, that depends on where you decide to get the fuel cap

Answer 2

P0442 CHEVROLET Code - Evaporative Emission Control System Leak Detected Small Leak
Read more: https://www.autocodes.com/p0442_chevrolet.html