Question about 1999 Pontiac Grand Am GT
Change both front sensors-- if you have dual exhaust
What about the PO301 ?
That is a misfire on cylinder #1
Your old O2 Sensor, that was slow to respond,
as well as a misfire, shouldn't cause a stall
You had 3 problems
Posted on Apr 02, 2011
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Posted on Jan 02, 2017
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