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What is the engine timing on a 1999 Transport?

Tiny
PYRO404
  • MEMBER
  • 1999 PONTIAC TRANSPORT
  • 200,000 MILES
I'm getting ready to tune-up the van, have my plugs and wires and now I just need to know the timing.
Thursday, October 6th, 2011 AT 2:47 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Ignition timing controlled by PCM not adjustable
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Thursday, October 6th, 2011 AT 3:25 PM
Tiny
PYRO404
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  • 2 POSTS
Thank you for the speedy reply.
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Thursday, October 6th, 2011 AT 3:27 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,716 POSTS
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.
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Friday, October 7th, 2011 AT 3:20 AM

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