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International Automotive Technicians Network
Re: 1991 GM K2500 EST Issue, Information Inacurate
Posted to Technical Discussion Forum on 12/23/2003

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A bit blurry but....

[1991 Chevrolet Pickup R3500, KS, MAP Sensor Scandata] this is in the bay, not on the road; laptop battery is dead. I disconnected the knock sensor but was unable to set a code ... Login to read more.

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