Question about 2006 Pontiac G6
Wont pass emissions
Posted by Anonymous on
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Posted on Jan 02, 2017
If you google OBD2 PO420 you will see that you
have a failed exhaust converter on bank #1 side of
Seeing as how they last 12 to 14 years & yours only
8 years, you have had class A cylinder misfires, most likely
for years & that ruined the converter
Also a leaking fuel injector or anything causing a rich fuel
condition will ruin it
I suspect you seldom go to a repair shop until you have to,
& I also fault those shops as to not checking a thing, & it is now
costing you unnecessary repairs & your lucky you haven't done
more engine damage over the years
I also expect you have no idea that spark plugs get changed
every 3 years
Oxygen Sensors at 100,000 miles
Unrelated-brake fluid every 2 years,trans & power steering
every 3 years & much more preventative maintenance
Simply-- the auto profession let you down,you assumed
they actually have your cars best interests in mind.
Lack of knowledge is responsible for a preventable
situation you now have
Posted on Mar 02, 2013
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