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Re: '91 Buick Skylark 2.5 unusual backfiring - need ideas.
Posted to Technical Discussion Forum on 6/3/2003

At 09:15:17 PST on 06-03-03, Brian Magana wrote: According to the O2 signal and my lab

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You "see" combustion in the intake without any indication on the needle?? Is it posible you are testing ... Login to read more.