there is a gasket directly under the TB that closes some vacum gaps on your intake. Or it may be the gasket under the intake. Its been 15 years or more since i had to deal with it but that fixed it for me.
there is a gasket directly under the TB that closes some vacum gaps on your intake. Or it may be the gasket under the intake. Its been 15 years or more since i had to deal with it but that fixed it for me.
'01 Silverado ECSB - 5.3L, K&N, BONE STOCK(For now) 7.5'' Fabtech Lift on 20'' KMC XD's wrapped in 33'' Micky's
'72 C-10 SBC - 5.3L, 4L60E, MSD, K&N - still a work in progress.
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