Question about 2002 Jeep Grand Cherokee

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Where is the air temperature sensor on a 2002 4.7 ltr V8 grand cherokee limited?

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  • wattsteve May 25, 2010

    think i found it, good thing i asked, am installing a performance chip that will give me more HP...WHHoooo!!



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The location for the air temp sensor is as follows, but i got information for a straight 6 not v8 but will be in the same place look for the big hose going from the box where the air cleaner and goes to the throttle body. Right behind that there are four fittings going towards the rear of the engine on the manifold that it is attached to. The first two have small rubber hoses attached to them. the third has two small wires coming out of it. There is only one more fitting and that one has a rubber hose.
The sensor you are looking for is the one with the two wires.
They are all in plain sight in a row. As I said though that is on a 4.0 inline 6 cylinder (most common engine). The 8 cyl is similar in design and the sensor is likely to be in the same place

Posted on May 25, 2010



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1 Answer

Engine coolant temperature sensor 2002 jeep grand Cherokee 4.7l v8 location

ECT. 4.7L
posted, 100s of times, the free SM, serv. man.
click WJ
click cooling.
turn to page Chapter 7 page 2. (page 36 tells how to remove it if'n you want to) and shows the ECT once again from the side.
all this is in the free book, posted here 100s of times. RTM


Dec 04, 2016 | 2002 Jeep Grand Cherokee

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Is a 1995 jeep grand cherokee limited v8 vs. inline 6 transmission interchangeable?

No sir they will not interchange. i worked at a transmission shop for 7 years. the inline 6 has a 500 trans in it and the v8 has a 518 trans in it. the bellhousings are different.

Jan 03, 2014 | 1995 Jeep Grand Cherokee

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Once the wheel is out of the way you need to take the two bolts off of the backside of the caliper, then compress the caliper and lift it off of the rotor.
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Feb 01, 2011 | 2001 Jeep Grand Cherokee

1 Answer

For sevice code 23 what do i do

Nice Jeep, I have one '93 GC Limited 5.2L V8, monster engine!!!!

About your fault code, this 23 MAT sensor or circuit, and this appears when the air charge temperature sensor signal is out of range - that is, giving a voltage not expected by the computer programmers. The power limited light will come on and the computer will assume that the temperature from the sensor is 70° F. On turbo models, the air charge sensor is located on the intake manifold. On TBI models (fuel injected, no turbocharger) the sensor is referred to as the throttle body temperature sensor and is located on the throttle body.

Possible Reasons for Chrysler Computer Fault Code 23:
- Defective Air Charge Temperature Sensor - The sensor should measure 5,290 ohms to 5,610 ohms at 77 degrees for the 1984 model year. For later models, the measurement should be between 9,120 and 10,880 ohms at 77 degrees.
- Poor wiring or connection - Read the page 'How to troubleshoot drivability issues'. Check the wiring and connections between the sensor and the logic module. Check the harness from the sensor to the computer. Inspect every connector. Clean and re-grease the connectors with dielectric grease. When setting ignition timing it may be necessary to disconnect the sensor from the harness.

Hope helps (remmeber to comment and rate this).

Sep 29, 2010 | 1995 Jeep Grand Cherokee

1 Answer

I have a 1999 grand cherokee limited 4.7 v8 litre

There is the coolant sensor that tells the computer the temp,and the computer sends a signal to the cooling fan relays,and the relay turns the cooling fans on,and off,if the system is low on coolant,or has air in the cooling system,then the cooling fans would not come on,or the sensor is bad,if this was at all helpful,please rate,thank you.

Jul 30, 2010 | 1999 Jeep Grand Cherokee

1 Answer

I have a 96 Jeep Grand Cherokee Limited V8 and it seems like the choke is not working. It will not idle and I can keep my foot on the accelorator and it will run.

Test the coolant temperature sending unit and the manifold air temp sender. If either are bad or out of range they may be telling the computer incorrect temp info. You do not have a choke but injection works opposite how a choke works. A choke limits air to the engine to get the proper fuel /air ratio. Injection systems do not change the air but add fuel to get to the same place. Second items to test are the throttle position and MAP sensors though they don't do much 'till the engine is out of "cold mode" Outside chance that an O2 sensor is faulty as well.
On all electronic systems, testing is the only way to determine what the cause of a problem is. One reason is that the computer attempts to adjust to sensor problems, many times making one thing look very much like something else. Haynes and chilton manuals have decent test procedures to use will need a decent multi-meter. Their wiring diagrams are terrible though.
good luck

Mar 22, 2010 | 1996 Jeep Grand Cherokee

1 Answer

2002 Grand Cherokee limited will not start

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Jan 28, 2010 | 2002 Jeep Grand Cherokee

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Dec 13, 2008 | 2002 Jeep Grand Cherokee

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Nov 19, 2008 | 2002 Jeep Grand Cherokee

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