1987 D21 V6 idling problems

Information on the naturally-aspirated KA24E and KA24DE engines.
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1987Hardbodynoob
Posts: 5
Joined: Sun May 03, 2020 12:10 pm
Car: 1987 Nissan D21 Hardbody SE V6 3.0L 4x4

1987 D21 V6 idling problems

Postby 1987Hardbodynoob » Tue May 12, 2020 2:22 pm

So I recently bought a 1987 4x4 hardbody and it has a lot of issues. It runs, and i've put lots of work into it- replaced power steering pump, radiator, water pump, timing chain. However, when you first start the truck, it revs and idles erratically, either holding around 2,300 rpms or reving from 1,100 to 2,300 rpms. After the truck is drive for a few minutes this stops. It usually does this, but not always. Sometimes i'll start it and it will be fine until like one minute later. Any ideas? I've seen posts on the forum about similar problems with 2.4s but not the 3.0. :confused:


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