do cherokee's have 1 or 2 sensors

what brand works best for cherokee's


i get my parts from napa unless someone says to go elsewhere

let me know what you have done it the past...if you noticed a increase in mileage

 

2

Bosch

Napa

Yes

 

2

NTK

rockauto.com

Yes

The more important one to replace is the upstream o2 (The one in the downpipe). I'd only replace that one if I were you

 

i was hoping to do this tonight

why replace that one...is it b/c the 2nd one is pretty worthless and doesnt control the computer

one is cheaper than two....i just want to get the most mpg out of my jeep

 

NGK for sure.

 

cherokees have 2 or 4 sensors. OEM is the best from the dealer, but they are expensive. I haven't seen any change in mileage yet grrr.

 

You can get the same one you'll get from the dealer off rockauto for a fraction of the price ($35 IIRC) - made by NGK

The upstream o2 controls fuel/air mixture, thus affecting your MPGs. The downstream o2 that's in the rear of the cat has to do with emissions and doesn't affect mileage.