Oxygen Sensor Bank 1
#1
Oxygen Sensor Bank 1
Looking at advance auto Denso Replacement parts. Is the the correct one for the Bank 1? Thanks
http://shop.advanceautoparts.com/web...x_x#fragment-2
or
http://shop.advanceautoparts.com/web...1740540576____
http://shop.advanceautoparts.com/web...x_x#fragment-2
or
http://shop.advanceautoparts.com/web...1740540576____
#2
thats showing the downstream sensor--or `after cat`
bank 1 iirc is the front sensor= thats the one reading the engine performance
the rear sensor reads the cats performance
whats your fault code and running symptoms--drop in mpg?
bank 1 iirc is the front sensor= thats the one reading the engine performance
the rear sensor reads the cats performance
whats your fault code and running symptoms--drop in mpg?
The following users liked this post:
01tl4tl (06-29-2011)
#5
there is 1 before cat,,,thats the one you want
and other is located after cat and makes sure the cat is working correctly
did you mean cat when you said header? in post 3
any good parts person knows the front O2 does all the work of running the car and is most likely to fail
except if you race the car and beat the cat,,,
and other is located after cat and makes sure the cat is working correctly
did you mean cat when you said header? in post 3
any good parts person knows the front O2 does all the work of running the car and is most likely to fail
except if you race the car and beat the cat,,,
#6
Senior Moderator
There needs to be more info. With our motor and its exhaust setup there is only 1 bank to monitor but 2 sensors. A correct code would read bank 1 sensor 1 or 2 meaning front or rear.
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#8
in that case do an ecu reset and see if it was a false code from the water - and not a bad O2
Is the car running different, mileage drop? hard to start,,,O2 sensor
Is the car running different, mileage drop? hard to start,,,O2 sensor
#10
Suzuka Master
iTrader: (1)
Denso #234-4621 = Bank 2 (downstream)
IMHO, if the car has over 100K, then replace them both while you are under there. Amazon (with free shipping) beats Advanced Auto even with the 15% Advanced gives you on an over $100 purchase. If you need it immediately, then the local retail price reflects the opportunity cost.
Good luck
#11
Senior Moderator
#12
Denso #234-4727 = Bank 1 (upstream)
Denso #234-4621 = Bank 2 (downstream)
IMHO, if the car has over 100K, then replace them both while you are under there. Amazon (with free shipping) beats Advanced Auto even with the 15% Advanced gives you on an over $100 purchase. If you need it immediately, then the local retail price reflects the opportunity cost.
Good luck
Denso #234-4621 = Bank 2 (downstream)
IMHO, if the car has over 100K, then replace them both while you are under there. Amazon (with free shipping) beats Advanced Auto even with the 15% Advanced gives you on an over $100 purchase. If you need it immediately, then the local retail price reflects the opportunity cost.
Good luck
#13
wow, for real denso plug and play parts! thats an outstanding price
#14
Come out about $83 with tax.
Denso #234-4727 $79.99 ($30 off at Advance code BIG30)http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4621 $51.99 ($20 off at Advance with code SJ20 )
http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4727 $79.99 ($30 off at Advance code BIG30)http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4621 $51.99 ($20 off at Advance with code SJ20 )
http://shop.advanceautoparts.com/web...996-_-10711125
#15
Suzuka Master
iTrader: (1)
Come out about $83 with tax.
Denso #234-4727 $79.99 ($30 off at Advance code BIG30)http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4621 $51.99 ($20 off at Advance with code SJ20 )
http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4727 $79.99 ($30 off at Advance code BIG30)http://shop.advanceautoparts.com/web...996-_-10711125
Denso #234-4621 $51.99 ($20 off at Advance with code SJ20 )
http://shop.advanceautoparts.com/web...996-_-10711125
#234-4727 = $51.19
#234-4621 = $30.28
with free supersaver shipping; however, I like the ability of Advanceds option of shopping on-line and then being able to pick-up the part locally, should they have it in stock vs waiting 5-7 days for supersaver shipping.
Great deal
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