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Retrieving Codes
FAULT CODE DEFINITION FOR MCU SYSTEMS (65 - 66)
73 Chapter 4
CODE FAULT CODE DEFINITION
65
NOTE:
"High Altitude" refers to vehicles that are
computer adjusted for high elevation operation.
I-4: (All except High Altitude): Altitude circuit is open.
I-4: (High Altitude Only): System OK.
V-6: Mid Vacuum Switch is closed constantly.
V-8: Mid Vacuum Switch is closed constantly.
66 I-6: Closed Throttle Vacuum Switch is closed constantly.
4
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