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Discussion Starter · #1 ·
Is there any way to "TEST" a Ignition control module on a 1999 grand Prix 3800SC ? (on of off the car ) ?? car starts and idles. when trying to drive, even slowly it has a "Miss". hit the throttle and it falls on it's face ! total BOG/ backfire through Throttle body, until I let off the gas pedal. It already has a New TPS, 3 coils,Plug wires, delco plugs @.045. Help .
I really don't want to buy a new "Wire harness" if I don't need one.
It's a '99 3800SC in a 1987 Fiero GT. ( It did run GREAT until put in storage for about 10 months)
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