bravo 1.2 start up problem

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bravo 1.2 start up problem

W

wakka

Guest
Hi dear friends,
this is my first post in this Forum.
I have got a Fiat Bravo 1.2 16v 80cv of '99
with more than 250k kilometers.
Recently, my mechanic removed and cleaned
the throttle body (it was very dirty) and
diverted oil vapor blow from the air inlet
duct.
Now the problem is that, at the start up, rev
counter indicates 1800-2000rpm and after
some seconds they decrease firstly to 1500
and then to 800 (or 1200 if the motor is
cold).
I am sorry for my bad english and the not
very specific terminology, if I am not clear in
explaining my problem please tell me it and I
will try to explain it in other words.
Here is a little video to explain better what
happens at the start up:
www dropbox com/s/
xt7177ed41k2yl2/20121207_080900.mp4
I have already tried to remove and remount
stepper motor (do you call it ICV, don't you?),
reset the various actuators (through Fiat Ecu
Scan) but nothing has resolved this!
The TB screw is setted in a perfect way (in
corrispondence of the yellow sign in the
screw that I think is a factory sign), and
anyway the TB is not balked (more important
thing).
Can anybody help me, please?
 

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