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International Automotive Technicians Network
Re: Losing Vref: Why?
Posted to Technical Discussion Forum on 2/4/2009

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A/C sensor is on the aux five volt ref which is not the circuit with the problem. On this circuit I have the MAP, CKP, TPS#1 and #2 and APP #1 and #2. Problem occurs only when throttle is applied but... Login to read more.