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3 bar GM mass air problems

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kersh97gst

kersh97gst

Probationary Member
6
0
Apr 9, 2010
Enid, Oklahoma
Hey guys Im having a couple problems with my GST I replaced my stock Mass airflow with a GM 3 bar, a few yrs ago. I recently replaced it with a another 3 bar. Even after replacing it, the ecu still reads that the circuit is bad. ??? Also says the bank2 02 sensor is out. What should I do?
 
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