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    No start Cranks MS3 Pro PNP won't sync RPMs

    1987 Grand National in a sand car. We've literally bought all the new parts you could suggest for this thing. It will not start. Everything on the no start tree checks out. Car should run. Only thing I can figure is the RPMs aren't syncing on the computer. Occasionally they will but not for...
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    Buick Performance Shops in TX

    Maybe I should add I just installed an MS3 Pro PNP. Just for reference if anyone is trying to troubleshoot for me.
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    Buick Performance Shops in TX

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  5. G

    Buick Performance Shops in TX

    I don't think so. I've drained the gas a few times while letting it sit in storage and put new gas in when I start working on it again and same problem.
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    Buick Performance Shops in TX

    Can I get any GN performance shops info anywhere in TX really. I am closest to Austin but can take the car further. I have a GN1 in a sand car I can't get to run. Motor always cranks, I always have spark, compression, and my injectors always show they are pulsing. I've done the no start tree a...
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