1999 Pontiac Transport Repair Question
Topics covered: Ignition timing, Timing chain.
Mileage: 200,000 miles.
Mileage: 200,000 miles.
Asked on October 6, 2011
What is the engine timing on a ?
I'm getting ready to tune-up the van, have my plugs and wires and now I just need to know the timing.
Answer
Replied on October 6, 2011
Ignition timing controlled by PCM not adjustable
Replied on October 7, 2011
That is correct, it isn't adjustable. However, if the timing chain has never been replaced, you may want to check it with that many miles.