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my tach is jumping like crazy... Help!

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Old 10-25-2003, 08:17 AM
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Default my tach is jumping like crazy... Help!

my b18c is running good now. but the problem is that the tach is jumping like crazy and jumping quick. but the engine idles. its not controlling the motor. can anyone help me on this?
Old 10-25-2003, 08:29 AM
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Default Re: my tach is jumping like crazy... Help! (wizzards581)

Make sure that the wires that are connected to the coil inside the dist are tight. My firend had the same problem. Another thing but it is not that common on the C5 is that the Cam seal may be leaking and oil may be getting into the distributor.

I would check the coil wires that is most likely what it is.

Shawn
Old 10-25-2003, 08:42 AM
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Default Re: my tach is jumping like crazy... Help! (SoundBuys)

do you have a msd box if so the tach must be hooked up to it
Old 10-25-2003, 09:30 AM
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Default Re: my tach is jumping like crazy... Help! (4nmusle)

no msd box. its a jdm gsr.
Old 10-25-2003, 09:19 PM
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Default Re: my tach is jumping like crazy... Help! (wizzards581)

Sounds like a charge issue.

check your grounding, your battery and your alternator
Old 10-25-2003, 09:20 PM
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Default Re: my tach is jumping like crazy... Help! (JookSingKid)

sounds like it may be a short somewhere.
also, check your fuses just in case
Old 10-25-2003, 09:21 PM
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Default Re: my tach is jumping like crazy... Help! (wizzards581)

your igniter is about to go. check that
Old 10-25-2003, 09:26 PM
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Default Re: my tach is jumping like crazy... Help! (salbaje)

Where did you hook your tach up to, and what type of tach?
Old 10-25-2003, 11:02 PM
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Default Re: my tach is jumping like crazy... Help! (salbaje)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by salbaje &raquo;</TD></TR><TR><TD CLASS="quote">your igniter is about to go. check that</TD></TR></TABLE>

as he said, usually a warning sign the igniter is about gone, but its also commonly shitty engine -&gt; chassis ground
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