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Bgravolet Bgravolet is offline
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Join Date: Jun 2010
Posts: 31
930 Starts Runs and Dies

Thanks to everyone who gave the help to get my car this far. My 1987 930 was running, lost power and died. It refused to restart.

It took weeks of going from one component to the next to try and find the problem. The thermo time switch was disconnected, the Perma-Tune box was bad - we replaced it and the coil, the overboost relay was cooked, both fuel pump relays were bad. I even changed the speed relay but it had no effect.

Yes, hard to believe but they were all bad - makes me think an electrical issue...

Now it starts and runs for 8 to 10 seconds and dies. The tach jumps around wildly and usually stays around 6000 to 7000 rpm although the engine is stumbling on itself.

Any ideas? I'm almost out of them...

Any advice would be appreciated.

Ben
Old 07-09-2014, 05:07 PM
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