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Registered
Join Date: Apr 2003
Location: Maitland, Florida
Posts: 892
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The car starts, but dies, right?
The fuel pump runs when you have the key in the start position (because it has a different power source), but not in the run position. If you hot wire the fuel pump the car runs.
I'm betting the problem is the air flow plate switch in the CIS metering unit. There is a switch on the plate that is isolates from ground by an insulating sleeve on one of the switch screws.
Unfortunately, you probably have to remove the metering unit to access the screw and its insulator.
You can clip a wire in the fuel pump relay to make it always hot when the key is on, but that is a temporary fix, though I believe the 73 1/2 through 74 or 75 models were wired this way.
Regards,
Jerry Kroeger
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82 911SC Targa
(05 Boxster S ) gone, but not forgotten
87 Suzuki GSXR-1100
1953 MG TD Mk II
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