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High RPM; Rpm never goes down.
Topic Started: Dec 5 2016, 09:23 PM (192 Views)
geo-miami
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Hello everyone
In this opportunity I will need the help of you, although I do not write much in the forum, let me tell you that I almost always give you a look and stay up to date with news, photos, etc.

I go to the point.
I had problems with Isca relay, and I solve it by cleaning all the ground as the technicians suggest.

But now, the following occurs:
In the morning I start the car, (cold engine), idle speed. After a few minutes it accelerates more ,,, high rpm.
Then I turn off the engine, and then start the engine again.
And that's how the rpm goes down, then correct idle auto running great all day. I have to do this always. If I do not, rpm never goes down.

Question:
where is the problem ?
What suggestions Or the ECU is bad.
Previously I was investigating if anyone had this type of problem, but I did not find it
.
Also:
No vacuum leak
Tps is set correctly
Throttle body Coolant passages no clooged.

Any help or advice will be great. :hmm
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ptcapboy


my guess a bad isc motor on the throttle body-if it were my car I would look around for a good deal on a used TB-I got one for about 65 dollars at one time-
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