Originally Posted by Rangerdanger98
Why will the timing slipped?
Has there been any work on the cam shaft that required the chain to be removed? You didn't mention the year, but if you have a distributor rather than coil packs, that is something to look at. It could be an issue with the sending device on the cam shaft. Dealt with one on a Mitsubishi where the sending device was in side the pulley for the timing belt. For some reason, it had separated just a hair but was reaping all kinds of havoc even though it was still attached. What year is the van, we might be able to narrow down the possibilities.