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Posted on Sep 26, 2009
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Fuel problem - put 12 volts to the front fuel pump and she is working - car fired after that but stalled right out again -1986 911 turbo

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911 doctor

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  • Porsche Expert 330 Answers
  • Posted on Feb 18, 2010
911 doctor
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Check your fuel pump relays.
There is a trick i have found with the relays.
The correct one for fuel pump is RED not BLACK.
Blackone would not work for the fuel pump and make sure you do not use aftermarket relays.
proporsche

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  • Master 784 Answers
  • Posted on Sep 26, 2009
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Fuel pump is working, but it has to deliver a correct rate to maintain correct pressure in order for the Fuel distributor work. The car was fires shortly since there is some fuel at initial burst, since the rate is low so pressure could not be maintained in the line to continuously support the distributor. Need to replace the pump and the fuel accumulator.

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