bouncing tach

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=33853
Printed Date: August 20, 2025 at 5:39 AM

Topic: bouncing tach

Posted By: satchmoe27
Subject: bouncing tach
Date Posted: June 14, 2004 at 10:17 AM

how do i find out why my tach needle keeps bouncing up and down. It does not do it all of the times. Also if it does start to bounce then after a few minutes it will catch to the right place. How do I go about fixing this problem.

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screamon deamon

Replies:

Posted By: Teken
Date Posted: June 14, 2004 at 5:17 PM

Now that I am completely blind from reading the above jiberish . . . posted_image

I would ask you to varify that the following ignition components are indeed sound and in 100% working condition.

You should start by checking all the very basic things such as a bad or loose ground. Cracked or shaffing wires, and related harnesses to the distributor.

Coil, Ignitor, Cap, Rotor, Wires . . .

Regards

EVIL Teken . . .

Posted By: auex
Date Posted: June 14, 2004 at 7:23 PM

What the heck kind of a car do you have? Also quite typing your posts in word or wordpad.

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Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
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Posted By: Zx2guy
Date Posted: June 16, 2004 at 11:43 PM

Does youe engine rev up and down? Could be a bad coil, depending on the vehicle

Posted By: Charles_R_H
Date Posted: June 17, 2004 at 10:53 AM

what is the year make and model of car!

does your car have a distributor???

Posted By: Hollis613
Date Posted: June 21, 2004 at 11:34 AM

if your car has a timing belt and not a timing chain. you need to replace the belt. it has been worn down. its beter to do it now intestead of having it break. same thing happened in m freinds car. The belt was completely smoot when we got it out.

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