The control unit adds current to change throttle position when needed. Then it looks for a response. If the throttle binds in any way, the control unit will add current and could jerk the throttle past the bind, now you have too much throttle. You can see the bad cycle now.


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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
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