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Friends I have worked on Gregs car and have seen his cold air setup. Very
nicely done. However Gregs car is an OBD I car. If anyone should perform
this setup on an OBDII car you must be VERY VERY careful when you relocate
the canister. The problem lies in making sure the hose connections are
absolutely tight. The OBDII cars perform a evaporative system test when
started. Especially if you own a 1998 0r 1999 because these cars also use
a LDP.
(Leak detection pump) The system will pump down a minute after starting
the car cold. It will hold pressure an and check against the stored specs.
Any difference means gross or small leak and the check engine light comes
on. The evaporative purge valve checks itself during idle conditions after
the engine gets warm.
A loose gas cap will cause the check engine light to come on.
If it should happen to you and a trip to the dealer is necessary and the
dealer finds the cold air mod and because of a poor installation some
dealers will charge you and some won't?
Don
Moderator VW Dealer mailing list.
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Sat Nov 14 10:45 CST 1998
