tach problem

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Feb 11, 2007 | 10:04 PM

mattmerritt89

Thread Starter

Member

Joined: Feb 2007

Posts: 131

Likes: 0

From: Flowery Branch,Ga

Car: 1987 Camaro

Engine: 350

Transmission: T-56

Axle/Gears: 4.56

tach problem

I have a 91' camaro rs 3.1 the problem I'm haveing is when I start my car the tach pegs out and stays therer till I cut my car off. Does any one what I can do to fix this problem.
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Quote:

Originally Posted by mattmerritt89

I have a 91' camaro rs 3.1 the problem I'm haveing is when I start my car the tach pegs out and stays therer till I cut my car off. Does any one what I can do to fix this problem.

Last edited by mattmerritt89; Feb 11, 2007 at 10:06 PM. Reason: Automerged Doublepost

Mar 20, 2007 | 06:53 AM

1991Camaroz28

Junior Member

Joined: Jun 2006

Posts: 86

Likes: 1

From: Ft. Lauderdale, FL

Car: 91 Z28

Engine: 305 TPI

Transmission: TH700-R4

Axle/Gears: 3.73

i have a 91 taht had a similar problem. it's the chip in the back of the guage cluster that is bad. there is a common problem with the black and white IC on it. try getting one from the junk yard. if that doesnt make it work then i recommend reading this thread. https://www.thirdgen.org/forums/elec...ter-fix-2.html It has the info you need to fix it yourself. also the spare chip from the junkyard should make good practice soldering if it is fired too.