A8 / S8 (D2 Platform) Discussion Discussion forum for the D2 Audi A8 and S8 produced from 1994-2002

Cold Start problem

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Old Oct 23, 2007 | 09:49 AM
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Default Cold Start problem

Here in Houston, I've noticed on mornings where the temp gets to 50 F (brr..) and more recently when starting up at night that the engine will crank and it will catch almost immediately, get to ~1300 rpm and then immediately the engine cuts out, as if the ignition had been turned off. eventually it will hold, but this morning it took 22 tries (my poor battery)

should I focus on the ignition switch?
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Old Oct 23, 2007 | 09:54 AM
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From: Wilbur by the Sea
Default facelift or pre facelift car?

Does it catch and then die when the ignition switch is placed to "run" from "start", if so, it could be the immobilizer if you have a facelift car....

Or it could be the ignition switch if you have a pre facelift car.
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Old Oct 23, 2007 | 10:26 AM
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Default

sorry, 2000 A8 swb
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Old Oct 23, 2007 | 10:53 AM
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From: Wilbur by the Sea
Default So did it die right after the key went from "start" to "run"?

Do you have vag-com? If so, pull the codes and see if you have an immobilizer code.
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Old Oct 23, 2007 | 01:32 PM
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Default yes, and yes I have had immobilizer codes associated with this

I found your tech article on replacing the coil, I'll try that.
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Old Oct 23, 2007 | 04:51 PM
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From: Wilbur by the Sea
Default I would try pulling the instrument cluster first, unplug the connections and plug them back in again

It could be a bad connection back there. And for safety's sake, remove the top cover on the steering column, it's two screws that come up from the lower cover.

See the ignition switch replacement procedure and dash rings upgrade procedure.
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