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Apr 23, 2009 | 01:55 PM

85gslprado

Thread Starter

What up!!

Joined: Feb 2009

Posts: 16

Likes: 0

From: san Bernardino, Ca

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So I didn't drive my car for a day and when I got inside this morning and turned it on my rpm's were jumping around like crazy. Do you guys know why?

Apr 23, 2009 | 02:52 PM

DivinDriver

1st-Class Engine Janitor

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Joined: Jun 2008

Posts: 8,376

Likes: 28

From: Chino Hills, CA

Was it the actual engine RPMs jumping, or just the tach? (two very different problem trees)

Apr 23, 2009 | 03:48 PM

mazdaverx713b

Have RX-7, will restore

iTrader: (91)

Joined: Oct 2003

Posts: 22,577

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From: Ohio

12A or 13B with EGI?

Apr 24, 2009 | 11:50 PM

85gslprado

Thread Starter

What up!!

Joined: Feb 2009

Posts: 16

Likes: 0

From: san Bernardino, Ca

Just the tach was going crazy. And the motor is a 12a

Apr 24, 2009 | 11:56 PM

jagass

Full Member

Joined: Apr 2009

Posts: 72

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From: new jersey

Maybe it's just cold...

Apr 25, 2009 | 11:16 AM

DivinDriver

1st-Class Engine Janitor

iTrader: (15)

Joined: Jun 2008

Posts: 8,376

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From: Chino Hills, CA

Loose wiring connection is the most likely culprit.

Apr 25, 2009 | 11:30 AM

rx-7ames

Senior Member

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Joined: Jan 2004

Posts: 358

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From: Albany, OR

That has happened to me before in my GSL-SE on very cold days. Now I am in Louisiana though so it doesn't get cold enough to do it anymore.

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