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SouthArk370Z · 08-27-2018, 08:09 PM

You should see a pressure rise when the throttle plate is opened (less vacuum). If you don't see the drop then I would check, in order: MAP port for plugging, sensor, wiring.

08-27-2018, 08:09 PM	#2 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	You should see a pressure rise when the throttle plate is opened (less vacuum). If you don't see the drop then I would check, in order: MAP port for plugging, sensor, wiring. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma