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MAF sensor 1989 740

7

740stu

New member
Joined
Jun 2, 2020
Location
Dorset - UK
Hi,
Wondering if anyone had experience with a Bosch MAF.
Part number 0280 202 035 or Volvo number 1306967.
Mine is broken and need a new one...
These seem very rare anyone know if I can change it for a later 740 MAF? I know they are physically different and bolts holes may not line up but not sure if there is a difference in operation/signal output?
 
There must be some wrecking yards that will have old Volvo's laying around that will have maf that you can snag. Try calling around, maybe Volvo specialist?
 
Thanks for all the help just looking at getting that one from New Zealand but the website only lets people from Australia and New Zealand join...typical :-(
 
We have a lot of members in that part of the world. Try placing an ad in wanted and see if there's anyone who's willing to buy it and ship it to you.
 
How about some pics of your engine bay? Which EMS does your 740 have? Since Volvo used a wide range of systems depending on market requirements, it's most likely NOT the US market-standard LH2.4 or Regina/Rex systems from that model year.

Would help us determine if you are looking up the correct part. Depending on your system, it may or may not be able to generate system codes to help determine the component failure. Also to get advice on the symptoms you are experiencing you could elaborate on why to think you need it?
 
Last edited:
https://www.skandix.de/en/spare-par...sensor-airflow-meter/air-flow-sensor/1009737/

1009737.jpg


Part discontinued. Hiperfauto's link is the correct part. It is very much not a standard part.
 
Op has B230ET, I guess. It uses Bosch Motronic ECU, and it doesn't have AirMassMeter (measuring kg/h), it is AirAmountMeter (measuring m3/h) like K-Jet. It is a flapper and measures position of that flapper with potentiometer. Contact of poti wears out and it can give false value causing uneven running and hesitation.

Year 1989 it is great year for Volvo, they had all Bosch systems in their fleet. K-jet, L-jet, LH 2.2, LH 2.4, Motronic and carburetors.
 
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