mr.b

my 01 cherokee is giving me a p0442, p0445, and p0303 pd, i had put on a new gascap and has done a smoke test did not see any leaks anyone had these codes and actually figure out the problem it still runs perfectly fine

bigomudders

There is a evap canister behind the right front bumper make sure its hooked up and no cracks.

mr.b

aslo does anyone know what the pd means on the 303 code (missfire cylinder #3)