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Why won't my 944 start?

My 1986 Porsche 944 has been standing all through the winter. I reconnected a fully charged battery and tried to start it but the revs drop and then the engine cuts out. Do you know what the problem may be?

Asked on 28 March 2015 by Unsungwyn

Answered by Honest John
Most probably a fuel filter blocked with emulsified petrol and other contaminants from the tank.
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