The 1.3 multijet weak

[MultiBravo]

Hi guys,

I have a ypsilon 1.3 90cv that salt in a sluggish up to 3000g/m. No error in the ecu.
After the 3000g/min salt with the decision. the car does not smoke at all, just lightly blow that by at 3000 rpm, but ever so lightly.
The egr works well on its diagnosis and close because the value of the air mass, EGR closed and open to the minimum are ok from the table.
I unplugged the mass air flow sensor, but the car was like before.
controlled operation of the actuator, variable geometry and everything is ok. pressure diesel is ok and temperature of the air ok.
since the car does nothing to smoke up to 300o rpm I thought the mass air flow sensor, because the measured values in the running of the air lens and measured, differ much.
above the 3000giri in full acceleration, I don't pass ever 600mg.. someone on the 90hp if I have to get close to the 1000?

According to me it is the mass air flow sensor, but before replacing it I wanted feedback..

I attach the file of the tests..

[Alessio93]

have you tried to clean the mass air flow sensor ?

[MultiBravo]

no, because I always felt that this is not a working solution 100%, and long-lasting.
also the manuals give a replacement in case of failure.

do you have experience of cleaning that are successful?

[passion engines]

Hello, try to check the sleeve that goes from the intake of the turbo to the mass air flow sensor including the tuto recycling oil vapors often break them or aspirated right on the part where it is attached to the turbo through the collar to the screw................

[MultiBravo]

The sleeve is ok.
Solved by changing the mass air flow sensor! :)

[dangy]

considering that this is a very fair response

[frenk85]

I'm glad that you fixed it but you can see the mass air flow sensor you can clean it,just spray the contacts and the game is done.........
4

[Alfiuccio]

I agree with frank

[MultiBravo]

Then, in the face of what they purport to manuals on non-cleaning, it would only be dirt/film that is deposited on the sensitive part of the sensor..
Good to know, next time I will try..

[frenk85]

the manuals state of not cleaning, maybe because some people tend to clean this component incorrectly,the type with compressed air,paint thinner or gasoline, in this way, the harm in such a way as to be unusable............

[giuseppe89]

The debimetri of the 1.3 mjt cannot open,you are in a unique fusion with the union and unless you want to try to clean it through the retina of the protection of the spray, nothing can be done...and in my opinion still remains dirty.he has done well multibravo to change it on the mjt the debimetri last very little.