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a practical diagnostic for the aux air valve ?

-let motor warm up to temp, shut off
-disco hose between air valve & TB
-plug hole in TB
-start motor again
-cover & uncover end of hose, if rpm changes more than ~50, valve is defective

resistance across aux valve terminals should be 38-42 ohms.

w/engine running there should be voltage at the harness connector, if not but wiring is ok then check fuel pump relay.

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I'm wondering if there is any reason that the aux air valve couldn't be re-located.


no reason at all, I've now got it set up on the plenum. if you want more details start a seperate thread. <img src="/forums/images/graemlins/cyclops.gif" alt="" />

2.6 Trooper
2.0 Impulse Turbo