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1991 Isuzu Rodeo Question clunks when cold.

Tiny
JAMESDENNIS
  • MEMBER
  • 1991 ISUZU RODEO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 350,000 MILES
My 91 isuzu rodeo idles high (1000 rpm) and clunks when coming to a stop (ie when gearing down) for about the first 15 minutes of driving time. Once I have a few miles on it, it seems to run fine. Had the trans serviced, they could find nothing wrong and the problem disappeared. Showed up a again about 3 months later. Took it to the shop they found some shorted wires. Problem disappeared for a couple of months and is back again.
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Tuesday, October 12th, 2010 AT 9:07 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi JamesDennis,

Was any atempt made to retrieve for trouble codes?
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Wednesday, October 13th, 2010 AT 2:50 PM
Tiny
JAMESDENNIS
  • MEMBER
  • 2 POSTS
When the Trans shop serviced the trans, they first hooked it up and said everything came up fine (which they said sur[prised them considering there apparently is an inordinatel amount of electronics on the 91 Rodeo)
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Wednesday, October 13th, 2010 AT 6:56 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Under such circumstances, you would have to hook up diagnostic equipments and go for a test drive. Note the data stream when problem occurs and check if any is out of spcec.
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Thursday, October 14th, 2010 AT 6:44 AM

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