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Registered
Join Date: Aug 2023
Posts: 11
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1984 944 No Spark
Having an issue getting my car to start. It turns over but doesn't fire up at all. Before it stopped working, I installed new headlights and a new DME relay by Focus 9. I was also having an issue where the hatch wasn't closing properly because one of the pins broke so it was left semi-open. This meant that the interior luggage light and dome light were on the entire time I was gone fishing. When I got back after 3 days, the battery was around 11.6 volts and the car wouldn't start - thought maybe because the battery was dead. Recharged the battery and still the same issue.
Tach doesn't really bounce when I try to turn it on - it only bounces a little bit when I take the key out. I took out the fuel line going towards the injectors and fuel came out when I tried cranking it, so it's a spark issue. Tried pulling out one of the electrical connectors to the injector and still no luck. Any ideas? Is it possible I shorted something out when I installed the headlights or the DME relay? Or maybe the coil or speed/reference sensors broke? |
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08-01-2023, 09:38 PM
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Registered
Join Date: Oct 2002
Location: Boulder, CO
Posts: 1,197
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Always best to start with a DME relay jumper. Or maybe a peek at the timing belt, see if the rotor is turning.
Then maybe a test light on the coil, see if you are getting the negative pulses.
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1987 928S4 1992 968 cabrio 2009 957 Cayenne GTS |
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08-04-2023, 03:57 PM
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Registered
Join Date: Aug 2023
Posts: 11
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Solved! The wires to the crank sensors from DME was worn down and causing it to short itself.
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08-07-2023, 02:36 AM
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