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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Rev/tach problem

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Old Dec 7, 2006 | 12:00 PM
  #1  
JEDI87's Avatar
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From: Gardnerville,Nv./South Lake Tahoe
Rev/tach problem

I don't have a tach in my 87 runner so I used my multimeter on the coil and as I rev the engine it revs smooth and gets up there just fine but the meter climbs to about 3,000 then starts jumping from 3,000 ish to 750 and so on. Any ideas? I found a bad vacuum leak at the ps pump and fixed that and now it idles better but I can't figure out this little clitch.
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Old Dec 7, 2006 | 12:32 PM
  #2  
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From: Tulsa, OK
He said he doesn't have a tach. I think he's trying to say that his motor actually revs wildly above around 3000 RPM.
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Old Dec 7, 2006 | 01:20 PM
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From: austin, tx
Originally Posted by Injohneer
He said he doesn't have a tach. I think he's trying to say that his motor actually revs wildly above around 3000 RPM.
Ahh.. I should learn to read... [post deleted]
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Old Dec 7, 2006 | 03:06 PM
  #4  
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From: Gardnerville,Nv./South Lake Tahoe
I'm sorry, I'll clarify. The motor revs like normal, it's just the meter is saying that the revs are all over the place.
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Old Dec 7, 2006 | 05:30 PM
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From: the fire center, lawton ok
multimeter is a POS?
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Old Dec 7, 2006 | 06:44 PM
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From: the fire center, lawton ok
what I mean is, have you surpassed the meters capabilities?
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Old Dec 7, 2006 | 07:26 PM
  #7  
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From: Gardnerville,Nv./South Lake Tahoe
The meter is good, I use it on my v8 all the time and it works fine.
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