Gregory Groiss wrote:
>Frank,
>
>As derf stated, checking the mass air flow sensor may be a good idea.
>What you are describing is the exact same thing that happened on my
>father's GMC. Codes all pointed to O2 sensor so we replaced them to
>no avail. Finally searched on line and someone said to check the MAS.
> We replaced it and that fixed the problem. Also happened to a guy
>here at work one day. We went out and carefully cleaned it with some
>alcohol and the car ran just fine.
>
>
It's also worth looking for a vacuum leak somewhere downstream of the
MAS. That will also cause surging. BTDT.
Cheers,
Dave Ambrose
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