Tach Needle Bounes

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Old Apr 11, 2004 | 05:55 PM
  #1  
jedubz's Avatar
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Default Tach Needle Bounes

I'd say between 2k-4k RPM my car's tachometer needle bounces and hops around real eradic like. I'm using the stock gauge cluster. I think it might only happen when it's cold too but I'm not exactly sure... I know it's just the tach and not the cars revolutions or anything, it's just getting a bad reading... Anyone got any links or anything to help me solve this problem?
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Old Apr 11, 2004 | 05:57 PM
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Default Re: Tach Needle Bounes (jedubz)

Could be the ignitor inside the distributor....
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Old Apr 11, 2004 | 06:01 PM
  #3  
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Default Re: Tach Needle Bounes (fourthgenhatchB17)

The fact that it's inconsistant is what I think is weird. The car shows no effects and it doesnt happen at WOT.
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Old Apr 11, 2004 | 06:03 PM
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Default Re: Tach Needle Bounes (jedubz)

This is a common symptom of the ignitor going bad.
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Old Apr 11, 2004 | 06:38 PM
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Default Re: Tach Needle Bounes (Targa250R)

ignitor or could just be a whacked up speedo cable... with my old cable the needle would jump until i got around 30 mph then it would stop and be fine... i drove around for over a year like that until i changed the cable out... never happened again
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Old Apr 11, 2004 | 06:58 PM
  #6  
EG8R's Avatar
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Default Re: Tach Needle Bounes (neutron91)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by neutron91 &raquo;</TD></TR><TR><TD CLASS="quote">ignitor or could just be a whacked up speedo cable... with my old cable the needle would jump until i got around 30 mph then it would stop and be fine... i drove around for over a year like that until i changed the cable out... never happened again</TD></TR></TABLE>

Thats the speedo cable.... Not for the tach.
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Old Apr 11, 2004 | 07:28 PM
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Default Re: Tach Needle Bounes (fourthgenhatchB17)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Targa250R &raquo;</TD></TR><TR><TD CLASS="quote">This is a common symptom of the ignitor going bad.</TD></TR></TABLE>

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Old Apr 11, 2004 | 07:47 PM
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Default Re: Tach Needle Bounes (MENACE)

ok dumb question. please educate me...
where is the ignitor located.. is this the samething as the ignition coil..
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Old Apr 11, 2004 | 07:49 PM
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Default

Correct... it's a brown little square inside the dizzy cap. All the wires go to that. you can't miss it.
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Old Apr 11, 2004 | 07:54 PM
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Default Re: (VashTheStampede)

i dont wanna ***** of your thread but my car has the kinna have the same problem.. everonce in a while when the car has been running and in running temp... the tach would be bouncing from 500-1000.. usualy happen when im stop in a stop light.. now i have new ignition coil(when my old coil melted. lol) new plugs.. new cap and rotor..
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Old Apr 12, 2004 | 04:59 AM
  #11  
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Default Re: Tach Needle Bounes (ironchef25)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ironchef25 &raquo;</TD></TR><TR><TD CLASS="quote">ok dumb question. please educate me...
where is the ignitor located.. is this the samething as the ignition coil.. </TD></TR></TABLE>

No its below the Coil little Black or brown box with 4 wires coming of of it.
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