hey guys, i just finished my headgasket install and could use a little help with the 2 codes i am throwing. i am throwing a code 12 and a code 55. my timing is set to 16* btdc and i cant quite get it to go down to 10*btdc. i will work on that but the 2 codes i dont understand. any help is welcome.. thanks guys!
ok i got my timing back to 10*btdc... and im still throwing both of those codes at idle???? please.. any help. like the check engine light comes on like 10 seconds after i start the car!