Code p0442 on 2002 Pontiac Grand Prix

This code came up today in a scan. So far, gas cap looks ok and have found no visible hose leaks. What else should I do?

by in Danville, IL on August 13, 2013
1 answer
ANSWER by on August 13, 2013
You can take it to a shop and ask for a "smoke test". This will usually locate the leaks location.
Related Items:
Check engine came on (02 Grand prix 3.8L), Cleared code P0442 (Small EVAP Leak), Check engine came back on and noticed gas cap gasket was cracked, Replaced...