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jumping rpms while the engine stays at the same rpm

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Old 07-17-2012, 02:19 PM
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Default jumping rpms while the engine stays at the same rpm

I have tried to search google and forums and got no info on it so hoping somone can help. So I just did a 95 1.8L swap in a 93, and the car runs great. I have about 650 miles on the rebuild but I just noticed a glitch in the rpms. I,m stumped because the engine doesn't rev with it, it sustains the same rpm but my needle will spike a bit. In other words engine will stay at 3k rpm and my needle will move to 35k or 4k. Any ideas, mechanical or electrical? please help thanks!
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Old 07-17-2012, 02:21 PM
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this can be signs that your ignitor is on its way out.
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Old 07-17-2012, 06:16 PM
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ok thanks! i have another question where might it be?
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Old 07-17-2012, 06:20 PM
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on passenger shock tower. labeled Mitsubishi.
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Old 07-17-2012, 06:21 PM
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sweet Thank you!
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