Originally Posted by Destination Unknown
1999 F53 V10
Rock Auto list 2 O2 Sensors for each bank which we have ordered and received. Looking under kennel we can see we take as the first ones which are on drop pipes just after the manifold. , But where are the second ones located in the system.
Only 2 on 1999 F53. Passenger side excessable from inside with dog house removed. Driver side from underneath.. use an O2 wrench spray with liquid wrench before hand.
I have 1999 Newmar. Replaced them 2 yrs ago.
Call if you like 321 999 4555.
Surprised RA didn't know that.