The MAF is a hot wire.
And you are spraying sensor cleaner that is out of a compressed bottle.
The expansion of the compressed gasses cools down the MAF cleaner.

Probably a huge temp differential.

I only spray my MAF with the engine off with CRC Sensor Cleaner.


In my younger days - I have sprayed BMW and Saab MAF's with
Amsoil Power Foam.

Did not kill those MAF's.

 

Well guys still stumped and some codes finally popped up. P0154, P0135, P0155, P0130. Will a bad MAF cause these. Remember I just put new Bosch O2's in and cleaned all connections.

 

But the codes you are getting refer to O2 bad connections, like heater circuit. See attached pages from Bosch manual. May want to recheck those connections carefully.

 

I will check today. But will these codes cause the rough idle. Any if I have to replace connectors can I just hard wire them.