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robprojects / 944maf-pcb

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Part list? #1

Closed harking closed 10 months ago

harking commented 12 months ago

Hi! I’m interested in making a kit of these for myself as well as the Vanagon community. It uses, I think, the same 4 pin MAF from my examining of my own Van’s sensor.

Could you share the parts you used? What VW hot wire MAF did you use?

Thanks!! Super stoked to find your project. A company called GoWesty previously made a similar hot wire MAF but stopped selling it.

harking commented 12 months ago

Maybe this? 0281002757

robprojects commented 11 months ago

Sorry for the slow reply. I've updated the BOM to make clear the parts that I have used. For the MAF sensor I used one from an Audi A3 S3 TT 1.8 Quattro 1996-2006. You will need to find one that fits the diameter of the intake and adjust the map to suit.

harking commented 11 months ago

Awesome! Thank you!

Did you need to adjust the data point map from MAF to AFM at all for controlling the air/fuel mixture in the computer?

The original AFM had an idle mixture adjustment, as well as the ability to slightly calibrate the internal wiper. Not sure if those matter much with your implementation.

robprojects commented 11 months ago

The map in the source code works reasonably on a Porsche 944S2 (it will run the engine and drive). The AFM in the Porsche doesn't have an idle screw or any adjustment. I'd plan on making your own map...