oxygen sensor is threaded into a well in the exhaust pipe down next to the transmission. 7/8 wrench. spray with penetrating oil first wait 15 min soak before unscrewing. disconnect wire first open end wrench or special O2 sensor socket to not crush wire while unscrewing. replace with Bosch OEM, nothing else will restore your efficiency. put anti-sieze compound on threads. do not blow this off, or next sensor job will be EXPENSIVE. cheap O2 sensors are worthless.

Dont forget that you have two O2 sensors....upstream AND downstream.

Jim

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Q: If a 1997 Jeep Wrangler is getting horrible gas mileage and you think it may be the oxygen sensor where are they located?

Write your answer...

Horrible mileage.

They don't put a V8 in that year wrangler.

20 mpg

The EPA mileage estimate for the 2013 Jeep Wrangler is 17 mpg in the city, 21 mpg on the highway.

The EPA mileage estimate for the 2007 Jeep Wrangler is 15 mpg in the city, 18 mpg on the highway.

The EPA mileage estimate for the 2002 Jeep Wrangler is 16 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2012 Jeep Wrangler is 17 mpg in the city, 21 mpg on the highway.

The EPA mileage estimate for the 2014 Jeep Wrangler is 17 mpg in the city, 21 mpg on the highway.

The EPA mileage estimate for the 2010 Jeep Wrangler is 15 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2006 Jeep Wrangler is 16 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2003 Jeep Wrangler is 16 mpg in the city, 18 mpg on the highway.

The EPA mileage estimate for the 2011 Jeep Wrangler is 15 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2005 Jeep Wrangler is 16 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2009 Jeep Wrangler is 15 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2001 Jeep Wrangler is 17 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2004 Jeep Wrangler is 16 mpg in the city, 19 mpg on the highway.

The EPA mileage estimate for the 2008 Jeep Wrangler is 15 mpg in the city, 19 mpg on the highway.

I have a 1999 jeep wrangler and it get around 15MPG.

16 to 19 mpg

A high mileage 10w30A high mileage 10w30

14-18 mpg

about 17 miles freeway and 12 on street i think

i get 17 mpg on city/hwy driving. 2004 jeep wrangler Sahara 4.0. 32x11.50 BFG KO

14 city to 17 hiway. I was trying to find some information on how to improve gas milage for my 88 wrangler.

I have a 2004 Wrangler Sahara with an automatic and large tires and get about 14 mpg, almost all around town driving.