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Bad MAS

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Xero_Tolerance

20+ Year Contributor
145
0
Sep 27, 2002
Austin, Texas
I'm having some serious trouble getting my car to run well again after a recent replacement of my blown ECU. According to DSMLink, I am getting 0 airflow. In my past logs that I checked I was getting airflow, so something is fishy there. I even unplugged the MAS and didn't notice a change in the idle what-so-ever.

Could this be as simple as just a bad MAS? Or is there maybe a fuse somewhere that could have been blown to cause the MAS to fail to produce a signal? One vital piece of information is that I had to replace my old ECU because I reverse powered it by accident... This also caused the main 100A fuse to blow, which I replaced, but didn't notice any other bad fuses during my checks.

Thanks in advance!
 
The airflow signal wire runs straight from the mas to the ecu there is no fuse. Sounds like a bad mas.
 
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