Thread: 1991 300SE
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Old 05-14-2010, 06:03 AM
kiwi_bloke_nz kiwi_bloke_nz is offline
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Join Date: Apr 2010
Location: New Plymouth, New Zealand
Posts: 100
Could be a vaccum leak that changes with temperature.

I have struck ICV that have stuck open despite cleaning them. I would suggest swapping one from a good car.
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