I cleaned my AFM with spray can PCB cleaner. Fast evap and no residue stuff.
I was led to believe that removal of gauze gave no great benefits.
Dunno if I agree with that as it must restrict airflow to some extent.
Unfortunately not, it was a process of trying to resolve a lumpy tickover. Next step is the Lamda sensor, but the bloody thing refuses to come out, so its off with the turbo elbow to get at it properly next.
Electrical contact cleaner , I reckon is fine. Just let it all evap before you plug the AFM back in mate.
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