MY ECU:
ECU ISO code FD 86 8F 80 67
FIAT drawing number 46796044
Software version 9141



AleC

Hi Tomsa, unfortunately my ECU reports incorrect MAF values, as posted here: http://forum.multiecuscan.net/viewtopic.php?f=3&t=1357&p=3451&hilit=c91#p3451 Anyway from what I know there is a rough test for these ECUs and in accordance with it my MAF should be fine. Correct range for this ...

Vacuum pipes are ok and replaced recently. Vacuum solenoid: it might be. Indeed the loss of power is non systematic but happens "randomly" mainly on full throttle. I just want be sure it is not the boost pressure sensor wich is getting broken to avoid a bad and unnecessary expence. So you ...

No any error and at the moment EGR is closed (and indeed the only error listed is for the EGR).

It getting me crazy!


AleC

Already done

All the pipes are ok, intercooler ok and recently cleaned, intake manifold cleaned,...


AleC

Hi All, recently I'm facing a very strange problem with a Lybra 1.9 jtd 85kw engine. At full throttle I notice a loss of power between 2.500 and 2.800 rmp. I did a log with multiecuscan and after many trials I found a strange behaviour with the actual boost pressure. Actual boost pressure tends to b...