1981 Porsche 928 starts and runs very roughly for about 5 seconds and stalls. If you try to depress the accellorator it stalls sooner.Have replaced...

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1981 Porsche 928 starts and runs very roughly for about 5 seconds and stalls. If you try to depress the accellorator it stalls sooner.Have replaced a deteriorated fuel line from tank to pump as well as the pump and filter. Also replaced the spark plugs and spark plug wires

Last updated 12/2/2018

Elixir Cada

Porsche Mechanic

Hello and welcome to ExpertHelp.com! My name is Elixir Cada and I'm going to do everything in my power to answer your question to your full satisfaction!

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Posted 12/2/2018

Elixir Cada

Porsche Mechanic

Hi Ed,

Please check the Fuel injector relay and the starter relay. Replace the relay or replace all 4 of them and check the issue again. See picture below for the relays locatioin.

Let me know if that solved your problem.

Posted 12/2/2018

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1981 Porsche 928 starts and runs very roughly for about 5 seconds and stalls. If you try to depress the accellorator it stalls sooner.Have replaced...

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