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Unexpected PAS disconnexion ?

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After having disconnected battery for a night to change the Air Filter and the MAF for new; it was impossible to have engine restarted but a quick engine-running during 3/4 seconds and looking as lack of gas.

I suspect having PAS disconnected as if the car would have been stolen;

Impossible to restart correctly

Any idea to recover the situation or have I to go Porsche dealer ?

Thanks for help

Edited by ubu

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If the engine cranks, I don't think your problem will be the PAS immobiliser. If the immobiliser is active it would inhibit the starter motor. I think I would try to check if the fuel pump is running.

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thanks Richard I will recheck


- at durametric I have an error code on PAS 8004 Supply voltage clamp 50 sc + and 8005 supply voltage clamp) 5 cs+. This is the reason of my suspiscion

- and the engine runned 3/4s not only once but at each starter demand; If the pump failed, I think I could not have these repeated engine starts.

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You will probably get those error codes because the battery was disconnected. You should clear the faults and see if they come back. Like I said, if the engine cranks, I don't think it can be the immobiliser.

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Right Richard

After erasing faults and recheking all potentail air leaks in MAF, Throttle and IPD mounts, it became perfect

Thanks for the help

Edited by ubu

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