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1987 Ford Tempo RPM gage

Tiny
DAVEM303
  • MEMBER
  • 1987 FORD TEMPO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 177,000 MILES
Just bought and this am when going to drive, the rpm gage didnt work for the first time.
Saturday, June 20th, 2009 AT 10:37 AM

3 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
A lot of tempos dont have it! Pretend yours dont either? And think of it this way? If somthin's gonna brake when you buy it, you got lucky! And, maybe it will start workin again on it's own, give it a while!
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Saturday, June 20th, 2009 AT 11:12 PM
Tiny
DAVEM303
  • MEMBER
  • 2 POSTS
Thx! So it dosent nec. Mean a worse prob?
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Sunday, June 21st, 2009 AT 10:49 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Right, as long as car runs fine, it's no big deal. The tach is purely electrical and just reads spark signals off coil by tapping into coil/module circuit. So it probably is a tach related problem only. Wiring plug loss of continuity most likely. I have an older tempo that has intermittent wiring problems due to plug/contact corrosion. The contacts turn green/grey discoloration. It's an age/climate related thing.
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Monday, June 22nd, 2009 AT 7:45 AM

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