secondaries won't open

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AREA 91

PA SHO SHOP
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Jul 17, 2002
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Working on a buddies 91 MTX SHO. The secondaries are open all the time! The hoses and solenoid are all in good working order. The butterflies stay open all the time, they don't close when the engine is started. I tried replacing the solenoid that controls the vaccum at the back of the intake with a known good one. Nothing! What do I try next? Computer? Any help appreciated.
 

AREA 91

PA SHO SHOP
Joined
Jul 17, 2002
Messages
5,349
Reaction score
1,003
Location
Area 91
Help me out guys and gals. headbang All that is left to change is the computer. Any other ideas? shrug Does it matter if this is a 3.2 MTX4 combo? It's a 91 with a LOS computer. Can I use a B9B, or B9B1? Any help is appreciated. finger
 

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