MAF sensor

**Lettuce** · 14-09-2008,01:58 PM

hi on my audi 90 quattro i have what appears to be an adjuster on my maf sensor. any ideas what it does? or what is it?

Cheers

Paul

**Crasher** · 14-09-2008,02:01 PM

Which engine, 7A?

**Lettuce** · 14-09-2008,11:42 PM

im not sure its a 2.3 20v 170 bhp i think its a 7a

**Crasher** · 15-09-2008,09:46 AM

Yes, that is a 7A, great engine when bored and stroked out to 2.5 (83x92.8). That screw is the Co adjusting screw and should not be altered without thee use of a 4 gas analyser, the removal of the fuse on top of the fuel pump relay and a diagnostic computer running but often VAG-COM refuses to communicate with these, I end up using my old Omitec Omiscan.

**Lettuce** · 15-09-2008,04:29 PM

ok thats brilliant mate just thort id check before i have a fiddle with it. So what does that screw do when you adjust it, sorry for all the questions mate but i dont know that much about cars im still learning

and also sorry t6o be a pain again you couldnt tell me where the high oil pressure sensor is please?

Many thanks

Paul.

**Crasher** · 15-09-2008,05:34 PM

The pressure gauge sensor or the switch?

**Lettuce** · 15-09-2008,08:41 PM

ok cheers mate!

**Crasher** · 15-09-2008,10:29 PM

Sorry, forgot the question mark, that was a question-which do you need the location of?

**Lettuce** · 17-09-2008,05:36 PM

it is the high oil pressure sensor i believe as the light on trhe dash is going crazy and the oil pressure gauge is off 5!

cheers

paul

**Crasher** · 17-09-2008,05:51 PM

They are on the right side of the block under the exhaust as far as I can remember, I will check.

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