The downstream sensor verifies catalytic converter efficiency, hope your cat
isn't sick. If you pay the mechanic $20 for a plug change he still owes you
the favor.
Patrick Delgado
on 11/18/02 8:48 PM, SEMIHEMI01@aol.com at SEMIHEMI01@aol.com wrote:
>
> Two weeks ago I got a MIL light upon startup. I ran by dealer to get
> it checked and it was the downstream O2 sensor. Had it cleared and it took
> about 2 weeks for it to show up again. They are going to replace it in the
> morning under warranty.
> We'll see if it comes back for any reason later on. Going to get the
> plugs changed too while I'm there, Mechanic owes me a favor so it's only
> going to cost me 20 bux for the plug change, I'll furnish the plugs, NGK >
> ZFR6F-11@.035 Ain't exactly what the Parts Dept. has in stock at a Dodge
> dealer.
> I'll let you know if it runs better. I feel it will because it's got
> 20K miles on this set of plugs. I'm going to keep the old plugs to see what
> they look like and see what the gap is after 20K miles. Then I can decide
> whether this new set should be changed sooner or later than 20K. "Sir
> Bill"
>
> SEMIHEMI01@AOL.COM> KB SuperCharged, 4.7L, 2001, QC,
> http://hometown.aol.com/semihemi01/index.html <or> http://southernmopar.org/
>
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