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Re: '91 Cherokee 4.0-L ignition timing
Posted to Technical Discussion Forum on 1/21/2004 6 Replies

[...trimmed text...]

Hi Gary,

I'm a little confused by all that but, so I just snipped a piece...

The CMP does not influence ignition timing at all, or choose cylinders to fire. What it does is tell the PCM which cyli... Login to read more.

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