Question about 1999 Audi A4
My car do not start when hot. Have to wait until cooled down, then it will start. I have changed the mass airflo meter with a 2nd hand one but the problem is still there.
Agreed with above - the coolant temp sensor is a pain on these cars and when it goes bad it screws up a LOT of different things, among them hot starts.
Posted on Nov 04, 2009
Try your radiator temp sensor located near the firewall, its green with a simple clip holding it in. Its a $25 part at the dealership. This happened on my S4 and replacing it solved the problem.
Posted on Nov 10, 2008
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Posted on Jan 02, 2017
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