Question about 1998 Jeep Grand Cherokee

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Need to replace o2 sensors on my 1998 jeep grand cherokee

I need to replace both o2 sensors I need to locate both of them and discover the best way to replace both of them by myself

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  • Jeep Master
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Double posted.
we can not answer what you can do, skills. tools????
but first you might tell which engine is in the car.
what does need mean? got DTCs, or just what?
the 02 sensor come in 2 3 or 4 each. (each) or if Calif car. looking and counting helps. the i6- can have just,2 one front one rear,
depends on which engine you have. 4l or 5.2L?
i you just take 5min open hood and look the exhaust headers.
and look, from there to rear the the CAT/CATS, youd see them all.
in 5min flat. this works on all cars, made, USA.
they look like shinny steel (SST) spark plugs with 4 wires each. and matching connectors. you can google 02 sensor and see 10million posts on what they look like.

your car is ZJ, jeep.
go here
and read the exhuust section of the FSM.
its there.
you unscrew them, unplug them.
and put them back.
it's literally that easy if not too rusted.
read cars for dummies book, first. an then ask questions.

Bosch sells PNP sensors (they just pulg in and play)
the web site has and ecatalog. use it to get the right
02 sensors. for USA fed or USA calif. car.....

Posted on Apr 14, 2014


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SOURCE: location of crankshaft position sensor Jeep grand cherokee 1997

left rear of engine block,on transmission bell way from top under brake booster use a wrench,

Posted on Jun 13, 2009

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SOURCE: where to replace coolant temp sensor for 1998 grand jeep cherokee

Check this image...

b33c4b0.png the Section ZJ-Secc-8D-Ignition-Systems (page 5, fig. 10 and 11).

Good luck.

Posted on Sep 07, 2009

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SOURCE: Where is the camshaft sensor located on my 99 Jeep Grand Cherokee

If you still have a cap rotor and ignition wires, it's inside the distributor. If not, it is the part where the distributor used to be (center rear of the engine behind the intake manifold)

Posted on Feb 19, 2010

  • 79123 Answers

SOURCE: location of cam sensor 2003 jeep grand cherokee v8

The Camshaft Position Sensor (CMP) on the 4.7L V–8 engine is bolted to the front/top of the right cylinder head (CMP Location—4.7L Engine).

It is easier to remove/install sensor from under vehicle.

Raise and support vehicle.
Disconnect electrical connector at CMP sensor (CMP Location—4.7L Engine).
Remove sensor mounting bolt (CMP Location—4.7L Engine).
Carefully twist sensor from cylinder head.
Check condition of sensor o-ring.
See picture for sensor location.


Posted on Jul 21, 2010

Testimonial: "that is just what i needed thanks"

  • 8836 Answers

SOURCE: Need to replace Crank Sensor - can't locate on

at the rear of the engine by the tranny. see pic below.


Posted on Nov 28, 2010

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double posted, back up one ,please.

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Also can check your 1993 Grand Cherokee Repair Manual

Hope this help (remember rated this), good luck.

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Where is the 02 sensor located?

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Also, for more details, can review the Jeep ZJ Service Manual ZJ-Secc-14-Fuel-Systeml

Good luck (remember rated this help).

Oct 18, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Where to replace coolant temp sensor for 1998 grand jeep cherokee

Check this image...

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1998 jeep grand cherokee 4.0 fi

Hi,yes the o2 sensor could give you this problem but for that mater the map sensor could to.You need to pull the codes from the computer and go from there.Good Luck!!!!!!

Jul 23, 2008 | 1998 Jeep Cherokee

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