Some do , but I'm pretty sure anything emmissions related doesn't .
In all honesty youre better off talking to your Porsche specialist than listening to some half drunk English guy sat on a porch in Southern California on the Internet
It will be simple enough to test the lambda probe .
I think i remember jeff posting instructions in this section recently ?
I think the aos can also throw them codes , but to be honest , I'd try another known-good maf before I discounted it being good just because its new and tested ok ....
Is it a genuine Porsche maf ???
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