strange problem

N2HIPSI

1 of 463
Joined
Feb 10, 2002
My friend just bought an 87 gn. He is having a problem that we cannot figure out. He is getting gas in his charcoal canister thru the vacuum line. I have never seen or heard of this before. Any suggestions on the cause and the cure?
 
They have check valves. Maybe it is malfunctioning. Not sure how it would get pushed that far but you never know.
 
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