Question about 1999 Jeep Grand Cherokee Limited

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Where is the IAT sensor on a 1999 jeep grand cherokee limited 4.7L

It's a 4.7 L , trying to find a diagram or reference so I can find the IAT sensor.

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  • Jeep Master
  • 20,706 Answers

Great question, on some cars, its NOT THERE.
nice how you actually state engine option.
but way not post symtoms, or evidence. (got DTC errors from scan tool?)
fsm says.
4.7 quote:
The Intake Manifold Air Temperature IAT sensor is located on the left side of the intake manifold.
For a temperature of 68F (20C) the resistance is approximately 6000 ohms. For a temperature of 104F (40C) the resistance is approximately 3300 ohms. (this forum hates degrees symbols , dang)

its just a Thermistor. NTC

on some cars, its in the MAF
others its screwed in to the air cleaner box.
others, (yours) its in the air plenum. (MAP base EFI)
the map system needs the plenum baro and temp. TOGETHER.

Posted on Nov 26, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: 1999 jeep grand cherokee all time four wheel drive will not engage

Sounds like the splines on your transfer case gear are ground down

Posted on Apr 23, 2009

  • 323 Answers

SOURCE: Jeep Grand Cherokee Limited P0700 diagnostic problem

P0700 means there is a transmission fault code in the transmission controller. Since the transmission controller doesn't have a light attached, it tells the engine controller to turn the light on using this code. You'll have to access the transmission controller to further diagnose the problem.

Posted on Jun 14, 2009

techbuster
  • 5081 Answers

SOURCE: shift indicator light 1999 Jeep Grand Cherokee

There are two parts to it, a voltage resistor, and the EL panel itself.

You need to remove the console first. There are 2 screws under the front rubber pad, two under the cup holder, two in the bin. Remove those six first, take the storage bin out, then slide the rear cupholder out, remove the two screws under the cup holder, and one in front of it.

There are a total of 6 flat screws, and 3 self tapping screws you have removed.

Put the parking brake on, shift the tranny to N, and the transfer case to the middle position if equipped.

Remove the entire console. Slide the shifter beezel as far up vertically as you can. There are 4 clips you ned to remove to do it.
You will see a blue and black wire running into the back. Follow those wires to the resistor. You will see a transparent EL panel attatched to the resistor by two clips.

Usually, one or both of these clips has come loose, causing the light to work intermittantly. Clip them back on, and turn on the headlights to confirm that the light works correctly now.

Re-install everything in the opposite order.

Posted on Oct 11, 2009

  • 1206 Answers

SOURCE: Where is the speed sensor located on a 1999 Jeep

it is located right at the tail shaft of the transfer case where the rear drive shaft comes out.its the only sensor in that area.

Posted on Jan 19, 2010

emissionwiz
  • 75814 Answers

SOURCE: IAT sensor location

here is a picture


0d597dc.jpg

Posted on Mar 09, 2010

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1998 Jeep Grand Cherokee Laredo 4.oL I got a code po113


Trouble Code: P0113 (4.0L L6 VIN S Auto)
IAT Sensor Circuit High Input Print this code dataprint_icon_codes.gif Number of Trips to Set Code: 1
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Check with ignition on or engine running; battery voltage more than 10v; The PCM detected the IAT Sensor input was over 4.90v (exc. Dakota, Durango, Ram) or 4.98v (Dakota, Durango, Ram) for 3 seconds.

Possible Causes:
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  • IAT Sensor signal circuit is open, or the ground circuit is open
  • IAT Sensor is damaged or it has failed (an internal open circuit)
  • PCM has failed


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Dec 01, 2009 | 1998 Jeep Grand Cherokee

1 Answer

Where is the IAT sensor at in my 1997 Jeep Grand Cherokee Limited?


In the air box... should be a two wire plug:
- ZJ-Secc-25-Emission-Control-Systems
- ZJ-Secc-8W-Wiring-Diagrams (page 62)

Hope helped with this; good luck (remember rated this help).


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