engine revs 4000 rpm/ 3 seconds on start up

Long john
Vehicle: Pajero 3.2 di.d
Country: South Africa
Posts: 1
Joined: Sat Apr 14, 2018 5:31 pm

engine revs 4000 rpm/ 3 seconds on start up

Tue Apr 17, 2018 7:30 am

I live in Sodwana Bay Kzn, I have purchased a 2001 Pajero 3.2 di.d automatic, 240 000 kms. i am bamboozled with this problem and would appreciate any advice.
When starting up it revs up to 4000 rpm for about 3 seconds, except the first start in the morning, I have borrowed 3 different diagnostic testers, only one of them read the vehicle,however I am not convinced it is reading properly,air coolant and fuel temperatures are all sitting between - 32 / -54 deg cel!!
I replaced the only two sensors available from Inyanga Motors in Empangeni ( coolant temp & the one in the throttle body), still no difference, in desperation I have disconnected the coolant temp and the revving goes away, however I am sure this will have other adverse consequences.
The fault code wont clear with the machine I am using.
Is there anybody in Richards Bay / Empangeni that can diagnose this or anyone with a solution to this problem?
Any advice would be much appreciated.
Thank you.

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