Testing an unknown MAS/MAF

[mysticj]

Any clue on testing an unknow MAS, its from a 97 Montero that looks like a 501 MAS from the 3G. Didn't get any knock @ WOT according to Evoscan.

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[97gst_spyder]

What do you mean by test? If you plugged it in and the car ran with it. It works... Am I missing something?

Although, it does look like it is larger so it could flow more to a larger turbo.

 

[mysticj]

I tested it awhile. Drove around with it for half an hour or so, and ran good. Soon the idle is rough. I don't have a WBO2 yet so I can't determine the AFR but if I can remember the O2 feedback and fuel tirm was a bit off. Honestly, its more like a 3G MAS than anything. I need to get the chip burn with the 3G MAS for my EPROM ECU as my programmer seems to be not function right.