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[Welung666]

If it does turn out to be the MAF have a look for some of these part numbers...

PIERBURG : 7.22184.50.0

BMW : 13 62 2 246 084, 2 246 084

OPEL : 836625,   90528813

I ended up paying £25 for one off eGay

[Diamond Black Geezer]

Oh, cheers Welung.

I only found out today that all MAFs arent born equal ( ) so they're useful.


Dare I mention that a friend of mine may have jabbed a screwdriver inside the MAF, which may have 'disconnected' some of the internal components, and 'placing' them in the gutter...? I literally do not mind, as it is his car, after all  8-)

[Welung666]

Oh, cheers Welung.

I only found out today that all MAFs arent born equal ( ) so they're useful.


Dare I mention that a friend of mine may have jabbed a screwdriver inside the MAF, which may have 'disconnected' some of the internal components, and 'placing' them in the gutter...? I literally do not mind, as it is his car, after all  8-)

I have a feeling you may have discovered part of the problem! Have the tool leave the tools alone

[Diamond Black Geezer]

Haha! He's on the forum, careful what you say hehe.

Though if Im correct the car should run 'fine' (although not perfect, obviously, that's why they put one in) without a MAF fitted, yes? Or will the gearbox issue still be there unless a working MAF is plugged in?

[Welung666]

Unplugging the MAF drops it back to basic mode. It'll run fine if a little thristy and flat as a witches tit until the turbo fires up around 2500rpm. Best to wait for the code reader and find out what is showing up really

P.S. The tool knows I'm only jesting

[Marks DTM Calib]

MAP sensor is ESSENTIAL on the diesels and is not likely to cause an issue (just check the feed pipe is clear).

I have long suspected that the MAF on these does nothing more than limit the fueling at max load so as to limit smoke production so yes, I can see that backing the fuel off.

Ow yes, MAF sensors are quite fragile so go gentle with them 

[Diamond Black Geezer]

Ah, thanks to Mr DTM and Mr Welung, have read elsewhere that the MAF provides some data the gearbox uses. Unplugging should temporarily 'cure' the 'box issue, thus proving a new sensor is required.

Will look forward to finding out what codes are stored etc.


Personally have experience with AR25 Omegas for over 5 years, without a single spot of trouble. Looks like my mates fallen out of the badluck tree and hit every gearbox branch on the way down.

[Marks DTM Calib]

Ah, thanks to Mr DTM and Mr Welung, have read elsewhere that the MAF provides some data the gearbox uses. Unplugging should temporarily 'cure' the 'box issue, thus proving a new sensor is required.

Will look forward to finding out what codes are stored etc.


Personally have experience with AR25 Omegas for over 5 years, without a single spot of trouble. Looks like my mates fallen out of the badluck tree and hit every gearbox branch on the way down.

I cant see the gearbox getting anything useful from a MAF signal wise so would suggest thats a 'herrang rouge'

[Diamond Black Geezer]

Thanks for that.

Will probably be using my dad's TD as a donor for MAF and Selector switch (but only for one run around the block Im told. For some incredible reason, he doesnt want his daily driver stripping of its ability to change gear!!)

Just to confirm that it ISNT the selector switch thats at fault/we've done something wrong while cleaning and refurbing

Look forward to the pl"My Naff Code Reader" test results tomorrow.

[mrgreen]

well if it runs o.k for 24hrs then you have to rule out the box, it's gotta be those pesky computers! i always suspected the maf sensor on my volvo for the same symptoms and if i still had it i would be changing it straight away, oh well money lost