Flowmeter signal Air flow measured abnormally high

[nicklaslj2003]

Hi everyone,

I have an issue with my peugeot 206 1.4 hdi 2006.
I get the fault code: Permanent fault. Flowmeter signal Air flow measured abnormally high - PP2000

I have changed the EGR valve, Temperature sensor for intake and MAF sensor.
In idle all parameter messurements looks correct.
When i clear the codes it runs rough around 3000 rpm and goes in to limp mode efter driving 5 minutes.
When driving with the MAF unplugged it runs good also above 3000 rpm. Anyone that has any guesses as of what this could be, as of now i have swapped the original MAF back in.

[mickthemaverick]

Can you confirm the numerical fault codes you are getting?

[xantia_v6]

It would also be useful to know the RPM and driving conditions when the fault code triggers.

[nicklaslj2003]

The error reappears when going around 3000 rpm for a few minutes.
Fault code: P0100

[mickthemaverick]

You may find this extract from another forum helpful as he had the same problem!

Click on the image to enlarge:

BFTW

This is the link: https://www.ebay.co.uk/itm/353854372042?var=

[Rp0thejester]

Is it fitted with a dpf?

[Rhothgar]

Have you changed the MAF sensor for a cheapo brand or have you used Bosch/Siemens/VDO?

I cannot say categorically but I reckon a fair few issues start there with high readings? Interested in the outcome of this because my Xantia reads 535 instead 260 and I think it's largely down to a crap cheapo MAF sensor. Having said that, I think it used to read the same when it had the original on and I never got to the bottom of it. I did measure injector leak-off but cannot remember if they were losing too much in the given period and reluctantly I really don't think my car deserves new or refurbished injectors however much I love it.