Question about Lexus Cars & Trucks
It is upstream
Posted on May 08, 2019
Bank 1 sensor 1 is an upstream on driver side (Cylinder 123) sensor 2 is downstream Bank 2 is on Passenger side, ***** sensor 1 is always an upstream*****
Posted on May 08, 2019
UPSTREAM OF COURSE
Posted on Dec 30, 2018
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Posted on Jan 02, 2017
SOURCE: oxygen sensor confusion
1/1 is upstream sensor on the number 1 cylinder side, 1/2 is the downstream of the number 1 cylinder side, 2/1 is the upstream of the number 2 cylinder side, 2/2 is the downstream of the number 2 cylinder side. Hope this helps.
Posted on Aug 10, 2009
Testimonial: "sorry, I hit the submit testimonial button before thanking both of you who so promptly answered. "
You could have an enefficient converter. Question is what caused it to go bad? I have attended seminars on code 420, Possible causes are lack of spark or clogged fuel injectors. there have been times where the spark plug wire lays on the engine and over time it wears a weak spot in the side of the wire, its not enough to throw a miss fire code but it keeps the full amount of spark from getting to the plug and not burning the all the fuel in the cyl. A leaky injector would also cause to much fuel to be deliverd into the cyl and not get burned.
Hope this helps.
Posted on Jan 20, 2010
Here is how you guys can tell, which bank it is...Rule of thumb..Bank 1 is where the first piston firing order is.....Which in the Honda Ridgeline is in the rear...If you look at the motor its side ways ok...The best way to judge the first piston is to look at the spart plug cover....the one that is the closest to you is the first piston....Remember your looking at the engine as if it were straight, however honda ridgeline is side ways...So the front of the piston is on the passenger side...Ok...I hope this helps...
Posted on Sep 27, 2012
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