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International Automotive Technicians Network
Re: 1990 Chev Suburban surge at cruise
Posted to Technical Discussion Forum on 1/18/2001

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I am having a hard time reading your waveform, but it looks like the ontime of the red wave is 1.7ms

if in fact it is 1.7ms There is a problem with the injectors circuits.

The computer switches fr... Login to read more.