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Re: APC still has me in base boost. Posted by Cmyles [Email] ![]() ![]() In Reply to: APC still has me in base boost., B Millar ![]() ![]() |
There is a switch on the brake pedal with 1 red and 1 white wire. if that switch is stuck open then the ECU will reduce the boost pressure to base so check that switch. There is also a switch controlled by the cruise control vacuum pump located on the left inner fender. It has two yellow/white wires. It may be stuck so that it's contacts are constantly open (no continuity). If that's the case the solenoid will not get energized and you'll have only base boost.
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