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International Automotive Technicians Network
Re: 1991 Chevy K2500 EST Update
Posted to Technical Discussion Forum on 12/31/2003

From your earlier post:

@ 33 HARD Acceleration, 2500, No knk det, Map 4.90, TPS 4.65, IPW 5.7, SAP 12, 02 Cross Counts Fine

Why is O2 cross counting on hard accel. It should be fixed high. Otherwise you are not getting enough fuel.

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