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Go Back   Rx7 Forum and Owners Club > Specific RX-7 Models > 2nd Generation

2nd Generation 1986-1992 Discussion

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Old 08-20-2011, 01:17 AM   #1
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Default My engine revs everytime turn on... why?
I recently bought an 87 Rx7. Great condition, only had 98K on the engine and its the original engine. Whenever i turn on the engine first thing everyday the engine revs to 3 Rpm. I think maybe its jus because its a pretty old car but I need to know if theres anything wrong with it causing it to do so. Please Inform me.
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Old 08-24-2011, 03:24 PM   #2
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can't answer what or why it revs so high on start up, but can tell you i have an '88 with 87k miles and it does the same thing. after it idles back down, which only takes a few seconds, everything works as it should, so i haven't been that concerned about it.
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Old 08-25-2011, 04:27 AM   #3
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all rx7s do this as far as i know its called the accelerated worm up system it helps the engine worm up faster and helps it build oil pressure when u start it cold.

I wish I was drifting right now!
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Old 09-03-2011, 03:17 PM   #4
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+1 AWS totally normal.
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Old 09-03-2011, 08:06 PM   #5
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Yes Nothing to be worried about.

Supercharged or Turbocharged, Boost is Boost
Big Body on 335's!!!!!
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Old 09-09-2011, 06:28 AM   #6
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3-4.5 is normal rev warming. 5.5 mean you have a broken apex. Not to worry though. It is very simple.
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