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ksbrktracer · 04-07-2013, 12:48 AM

check the gasket between the throttle body and the manifold , clean the Idle air control valve up. Sounds like a vaccumn leak ... usually is on a throttle body

04-07-2013, 12:48 AM	#3
ksbrktracer TNT-MOTORSPORTS Join Date: Mar 2008 Location: TULSA OKLAHOMA Posts: 2,692	Re: 87 with tbi very high idle. check the gasket between the throttle body and the manifold , clean the Idle air control valve up. Sounds like a vaccumn leak ... usually is on a throttle body