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Help with a compression waveform
Posted to Technical Discussion Forum on 6/21/2013 17 Replies

This vehicle barely runs at idle, and runs pretty poorly otherwise. Manifold vacuum is around 10 inches and wandering. Cylinder number 6 and 3 are dead misfiring. Cylinder number 6 cranking compression is about 140 PSI.

I've taken two different waveform pict... Login to read more.

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car Vehicle Data

1991 Chevrolet Corvette 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1991 Chevrolet Corvette 5.7L

Engine5.7 L
Trans4-speed Automatic (Electronic)