jk12

a lot of post made mention to cel with misfire code after belt change is this just with alt belt or should I change all belts back to porsche oem equip only. Only getting cel after I had belt change , thanks for the info

kkim

What code is it reading?

jk12

the random misfire was misfire cyl 2 and cyl 5 and other cel read misfire 5 and 6 mech checked wires and plugs everything checked out fine

TrackJunke

Non factory alternator belts can do this if they are slipping. Replace with belts from the porsche parts bin. I had the same problem and replaced them with Porsche belts. Hoping the CEL does not come back.