Help with MAF logs

[mini670]

I have been noticing a drop in MPG an power. Although the MPG maybe because im driving it harder due to lack of power.
I have had a go on Vag-com and done a log of the MAF.
Actual MAF is rather low it seems or is this normal under load and heavy acceleration.
I did a log reving the car in neutral to around 3500rpm and the actual and required ,atched quite well.

If anyone could have a look at the log and see if its definately the MAF sensor, id appriciate it

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[mini670]

thanks mate,

yea both graphs are under load. rolling along at about 1500rpm then foot flat to carpet.
1st graph is 3rd gear and 2nd graph is 2nd gear.

ran it today to work and back with the MAF disconected. Seemed to lack even more power and acceleration.

My Ibiza is a mk2 98 model 90. do these engines have the limp mode function, because the turbo seemed to spool normally.

thanks

 

[sssstew]

looks like a dieing MAF to me, get it swapped out.

Yes they do have a limp mode but dieing mafs very rarely cause it to go into limp, they just get worse and worse.

 

[mini670]

thanks sstew,
will look into sourcing one.