i have an 02 dak and just did the cycle the ignition thing 3 time and it worked gave me p0455

 

P0455 (M) Evap Leak Monitor Large Leak Detected A large leak has been detected in the evaporative sysem.

could be a combination of a bad gas cap, dry rotted/leaking evap hoses, and/or the charcoal canister has a problem.