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Re: 93 Suburban runs rough at idle,loss of power
Quote:
Originally Posted by 93sub
I had time to short out plug wires and found cyl 4and 6 not to be firing. Tried different wires and plugs to make sure they were not bad. No luck. Will do compression test next, but leaning toward head gasket now. Don't know what else the two have in common. Might take a week to post back due to work.
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Make sure plug wires are not crosed and good hot spark out of plug wire.
Pull plugs and check plugs.
Wet or dry on end?
Run a compression test while plugs are out.
Post back what you find.
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Remember proper testing gives us the answer to many problems.
MT
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