2002 jeep grand cherokee 4.0 laredo. engine fan is not cutting off after shutting off car . now went back out this morning for work and drove the truck and the fan is not coming on now . so maybe fan relay behind pass. headlamp. or temp sensor in the block. but when it cooled down also something is not triguring the fan to come on. and my temp, guage is working in the dash. help "

Mike Butler

• 6674 Answers
• Posted on Feb 03, 2009

SOURCE: change a serpentine belt on 04 jeep grand cherokee laredo

Check this link & scroll down to your engine. Click on picture to expand.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528004328a

SOURCE: 2002 jeep cherokee laredo

My 98 Jeep Grand Cherokee had the same problem. Over heated when standing still. Took it to dealer and they could not find any problem with cooling fan. After doing my own investigation I found out that the electric cooling fan would begin to seize up after about 1hr. of operating. (gets hot)

The dealer would look at fan and see that it was running and think its ok. The problem is, it wasn't running fast enough.

I have a relay on the right side of front fender and jumped the fan to stay on with motor off. (must know what your doing). After about 1hr. fan started slowing way down. Returned it to dealer told them what the problem was. They were not smart enough to jump the relay so they put a couple hundred miles on it even though i told them it works OK when moving. Make sure you tell dealer to use the relay to jump.
Replace cooling fan motor. Works great

SOURCE: fuse box diagram for 1995 jeep grand cherokee laredo

look on the net that is where i got mine

Sean Wright

• 2045 Answers
• Posted on Sep 14, 2009

SOURCE: I have a 2005 Jeep Cherokee Laredo. Diagnostic

Implausible Fuel Volume Signal Received

This usually points to a bad PCM (powertrain control module).

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Greg Bernett

• 2993 Answers
• Posted on Dec 01, 2009

SOURCE: 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 data Number of Trips to Set Code: 1
OBD II Monitor Type: CCM Details
Indicators: MIL Details

• CCM Details

• IAT Sensor signal circuit shorted to VREF (5v)
  
• 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