Mechanics

HUMMING NOISE

1987 GMC S15 • 4 cylinder 2WD Automatic • 100,000 miles

When I connect the battery terminal on my 87 gmc s15 I hear a humming sound coming from what I think is the vapor canister. Does this indicate a problem?
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Bobby@mailinator.com
November 17, 2010.




Could be the purge valve/solenoid

Tiny
Rasmataz
Nov 17, 2010.


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