Quote:
Originally Posted by SkiVT
Couple thoughts:
1) your wur has menopause. I have seen the symptoms first hand!!!
2) since you know the ccp is out, you will need to get your wur refreshed/calibrated regardless. The wcp and vacuum testing would all be part of that exercise. So doing that now and knowing you may still have troubleshooting to do when its back could be smart.
3) you could connect a hose from the wur directly to the throttle body vacuum hose and bypass the decel and TTV. Maybe start the engine first and swap the hose in after warmup. This would eliminate twonpossible culprits adding to your data.
4) connect your mightyvac to the wur. Apply vacuum and see what vacuum level holds 3.0. Try a little more and less vacuum and watch the pressure change. You can also do this using the no engine start procedure and do it at ccp and wcp. The spec chart suggests the vacuum levels.
This all takes time but it will be worth it when you solve the actual problem.
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Intend to address "2)" shortly
Thanks,
Jason