Wacky boost guage

Miller

Registered User
My boost guage reads about 3 in,of vac when the car is off... when its idle'ing it will be around 23" .......... When I stop at a light it will idle normal around 800 for about 5 seconds, then It will drop down and start bouncing off of 500 until after a few seconds it stalls....... is there a connection between the boost guage being funky and that idle problem.....its acting like a vaccume leak but i cant find anything...... could this problem be from the line goign tinto the guage being bad ? would that be enough to throw off the guage and mess up my idle ?
 
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