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Old 03-22-2000, 10:20 PM
Benzmac Benzmac is offline
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
Two things here. The air plate postion sensor should be checked for voltage at pins 1&2 with the key on. There it can be graphed and scoped for inperfections. The air plate position sensor can cause this or a throttle switch. Any one thing can cause this because the system will go into limp. There is no onboard diagnostics. You have to check each sensor at a time/

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Benzmac:
1981 280GE SWB
1987 16V
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