Just finished fixing the last CEL and now another comes up. I broke down and bought a decent OBD tool and now have the following code:
P0442 Evaporative Emission Control System Leak Detected (small leak)
And it has this as a pending code:
P0455 Evaporative Emission Control System Leak Detected (gross leak)
I tightened the gas cap and cleared the codes. My guess is they will come back.
Any ideas where to start diagnosing ? I read somewhere it could be a cracked hose or the canister purge (CP) valve ?
Thanks for any pointers.