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running problem

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Old 08-04-09, 12:11 AM
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running problem

car started up but only reved up to 2000rpm and would like bog out and just backfire anyone know what might be the cause?
Old 08-04-09, 09:55 AM
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Engine, Not Motor

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I'm assuming it's an RX-7 but what year?
Old 08-04-09, 11:34 PM
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running problem

93tt
Old 08-05-09, 11:58 AM
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same problem here with a 91
Old 08-19-09, 04:20 AM
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hmmm could be the computer playing up!
Old 08-29-09, 09:03 AM
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Yeah, Ive got a similar prob. Car starts hard then when I rev it up on normal driving the idle bounces around and backfires constantly.

Last edited by KCKrogoth; 08-29-09 at 09:06 AM.
Old 08-29-09, 10:11 AM
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Engine, Not Motor

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I can't help with any specific advice for 3rd gen owners, but with any RX-7, these problems are almost always caused by vacuum leaks and/or a misadjusted/bad TPS.
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