Diagbox MAF sensor chack

[Slobo2712]

Hello can someone tell me how I can test MAF sensor in diagbox and see is it working good?Is it in this section?

[GiveMeABreak]

Yes, that shows that the 'measured' air flow is matching the air flow (213 mg) 'reference' value, so is within expected values.

[Slobo2712]

Yes, that shows that the 'measured' air flow is matching the air flow (213 mg) 'reference' value, so is within expected values.

Thank you for answer but when I disconnect MAF sensor car pulls better,and turbo pressure is normal(follows reference value).

[GiveMeABreak]

That's simply because the engine ECU is falling back to a default value when it is not getting any data from the MAF, but will not be able to adapt to the different conditions and this will cause other issues over time. The MAF may also have other sensors incorporated into it - but generally if the engine seems to run better with the MAF removed, then the MAF is faulty.

[Slobo2712]

That's simply because the engine ECU is falling back to a default value when it is not getting any data from the MAF, but will not be able to adapt to the different conditions and this will cause other issues over time. The MAF may also have other sensors incorporated into it - but generally if the engine seems to run better with the MAF removed, then the MAF is faulty.

Thank you.Can you find which exactly maf sensor is for my car by numbers?I already writed here my vin with other account which I have forgot password..Here is again VF3**************[VIN obfuscated, can be read by forum staff]

[GiveMeABreak]

The part number for your 307 is: 1610874680

Be aware that cheap MAFS are rarely any good - there have been a lot of people who have bought cheap ones and they are either dead on arrival or do not work. Get a decent brand. Something like Hella, Febi Bilstein, Pierburg or Valeo as examples - some here:

https://spareto.co.uk/oe/1610874680

[Slobo2712]

The part number for your 307 is: 1610874680

Be aware that cheap MAFS are rarely any good - there have been a lot of people who have bought cheap ones and they are either dead on arrival or do not work. Get a decent brand. Something like Hella, Febi Bilstein, Pierburg or Valeo as examples - some here:

https://spareto.co.uk/oe/1610874680

Tnx,this one is on car right now

[GiveMeABreak]

The MAF in your picture with the Pierburg code number (7.28342.04) was the original part number for this MAF. Peugeot have replaced it with an upgraded version, which is the part number I gave you (1610874680). This will be Pierburg part number: 7.28342.06

[Slobo2712]

Maybe that could be an issue,maybe they replaced it with some reason

[GiveMeABreak]

Well they do wear out - wires on these are very sensitive and you could either take it off and use some special MAF cleaner (don't touch the sensor wire with anything though, except the spray) or replace it.

[Slobo2712]

Ok so I should buy with 06 not with 04 like this https://autobox.ba/autodijelovi/peugeot ... 42&ga=3926

[GiveMeABreak]

The Pierburg part (7.28342.04) was the OEM brand fitted originally, so the 7.28342.06 is the improved / replacement Pierburg part number if you are replacing it with the same brand.

[Slobo2712]

@GiveMeABreak Thank you really much,you are always ready for help..Just one more question,which exactly is code number for turbo pressure solenoid valve on this car?

[GiveMeABreak]

The Turbo Vacuum Solenoid (1) in the diagram is part number: 9652997580. This is also a Pierburg make.

[Daniele1987]

Hi! Happy new year! Today i have ready some values from my Peugeot 3008 1.6hdi 109cv year 2009 for a complete check-up and i see that the measured air flow Is too high than the air flow referente value (i upload t'ha image). Can anyone see the image and confirm or not this value? Is possible that my MAF Is dead? Thanks!

Air flow problem