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WERK I WERK I is offline
Forced Induction Junkie
 
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Join Date: Jan 2003
Location: Wisconsin
Posts: 3,267
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Does this engine have a frequency valve added to the injector circuit? In other words, some of the aftermarket stuff out there, namely Andial, added a 7th injector(electronic) to the circuit to increase the amount of fuel volume going to the engine.
The fuse blowing certainly was/is a sign that the fuel pump is getting worn out and drawing excessive amperage.
Don't ever do any kind of hard driving with only one pump. Porsche did a very good job of designing this push-pull fuel system. With only one pump working, you are going to see inconsistent fuel system pressure that could give you problems. My experience as always seen the front pump go out first. It's located under the front suspension pan.
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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 04-11-2008, 05:53 AM
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