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 Tach Issues

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AuthorMessage
ST3LTH
New Member
New Member
ST3LTH

Posts : 7
Reputation : 0
Join date : 2012-12-06
Age : 32
Location : Auckland, NZ

Tach Issues Empty
PostSubject: Tach Issues   Tach Issues EmptyFri Dec 07, 2012 12:51 pm

heya guys. new here.

just aquired an AE101 FX-GT and am having problems with the tach.

its reading too low, only hitting around 2000rpm to 3000rpm when im revving the tits off it. (i actually havent seen it hit 3000rpm)

ive tried using another cluster, running the IGF signal from the diagnostic port and tapping the IGF signal from the ECU (next to the plug)

the only thing that gave any movement was from the diagnostic port but it like the signal is too weak.

i dont know what to do next. i thought maybe theres something wrong with the igniter but i want to see what else i can do before i go out and buy another part that dosent help.

any help would be appreciated.
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magweal
New Zealand Rep
New Zealand Rep
magweal

Posts : 1403
Reputation : 42
Join date : 2011-12-14
Age : 36
Location : Auckland, New Zealand

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptyFri Dec 07, 2012 2:33 pm

Sounds to me me like its the dizzy signal.
Have you checked that?
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ST3LTH
New Member
New Member
ST3LTH

Posts : 7
Reputation : 0
Join date : 2012-12-06
Age : 32
Location : Auckland, NZ

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptySat Dec 08, 2012 5:39 am

magweal wrote:
Sounds to me me like its the dizzy signal.
Have you checked that?

thanks for the reply mate.

how would i go about testing it?
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ST3LTH
New Member
New Member
ST3LTH

Posts : 7
Reputation : 0
Join date : 2012-12-06
Age : 32
Location : Auckland, NZ

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptyMon Dec 10, 2012 7:51 pm

weird.

i went to tinker with the car today and the tach is working fine.

thanks for the advice though magweal. ill still have to check things to make sure everything is okay. im just feeling abit lost right now. confused
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magweal
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magweal

Posts : 1403
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Age : 36
Location : Auckland, New Zealand

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptyMon Dec 10, 2012 8:30 pm

Thats all good.
It could be the connection with the dizzy.
With out seeing the car its hard to tell what it could be.
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1993 fxgt
Elite Member
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1993 fxgt

Posts : 262
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Join date : 2012-01-12
Age : 30
Location : auckland

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptyTue Dec 11, 2012 6:57 am

try cleaning out the plug
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ST3LTH
New Member
New Member
ST3LTH

Posts : 7
Reputation : 0
Join date : 2012-12-06
Age : 32
Location : Auckland, NZ

Tach Issues Empty
PostSubject: Re: Tach Issues   Tach Issues EmptyTue Jan 08, 2013 11:04 am

the dizzy plug seems to be okay, no corrosion or sludge or anything.

i probed the IGF signal in the diagnostic port and it gave me 11-12v in the ON position and 12-14v with the car running.

i got nothing from the IGF signal to the tach (cluster loom), and the IGF signal next to the ECU.

does anyone have any idea as to whats going on?
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