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Old 11-01-2005, 04:01 PM   #3
jeffcoslacker
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Re: lumina z34 engine switch but no spark

Probe the leads where the position sensor(s) feed a signal back to the ICM, see if there is a pulse, or check with a test light to see if the injectors are pulsing.

Might help tell you if signalling is the problem, or if something else is happening. Got all wiring accounted for I guess? Nothing got pinched or stretched? Fuseable links (if any) good?

Fuses?

Threaten it with a big hammer? :0
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