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Old 08-25-2013   #4
KJL
 
Join Date: Mar 2013
Location: Roswell, GA
Posts: 232
Default Re: How to vacuum test secondary throttle actuator system

I checked at the map sensor and it did not hold vacuum. Not sure if all lines need to be connected and solenoid to be energized for that to work.
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1995 ZR1 #159
Ported,Corsa,4.10 Rear, Dual Disc RAM Clutch, Alum Flywheel, Haibeck Chip, ZFDoc Plates, Relocated Battery 400 rwhp
1992 ZR1 #280
Ported, Locked Secondary's, Flowmaster Exhaust, Haibeck Chip, 375rwhp
1996 Collectors LT4 (Stock)
1972 Convertible 434 Small Block
572 rwhp
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