Re: Stumblin Bumblin Z
The WAZOO guys can fix your car if you can get to them. There could be several issues here. If part of it is the check valve under the plenum here's a simple diagnostic/temp fix:
With key on-->Pull vacuum line from passenger-side plenum fitting between 4 & 6. Does vacuum pump run continuously?
Yes=check valve under plenum bad. If so, go to autoparts and buy a vacuum check valve and a piece of small hose (to fit nipple of valve you bought and plenum) to form a patch between valve and plenum. The check valve will fit into the plenum runner gap. This will serve as a temp fix until you can get under the plenum.
Ted
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