"Try disconnecting your MAF sensor and see how it runs. If it runs better than I would think it is time for a bi-annual MAF senosr replacement"

Thanks, I did that and it stalls almost immediatly, as it should. I also checked it the "proper" way, that is with a voltmeter: all appears ok.

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I'de rather be flying !

Euro C240 Sport Wagon
69 Porsche 911E
76 Cessna Cardinal RG
47 Cessna C140