My buick riviara I idels roughly but when i took out the Mass Airflow sensor it runs great

Asked by Jun 21, 2016 at 01:44 AM about the 1989 Buick Riviera

Question type: Maintenance & Repair

My Buick runs good without the mass airflow
sensor but when I put it on it idles roughly and once
to die but  I bought a brand-new one and I put it on
and it still does the same thing. What else could be
the problem?

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