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2006 jeep grand cherokee 3.7L, Rough Idle and transmission hesitation

3.7L Idles very rough at temp, Transmission seems to "lug" at 30-40 mph... especially up or down hill, Extremely poor mpg

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 422 Answers

SOURCE: 1997 jeep grand cherokee... missfires...

hi there, sounds like a bad fuel pressure regulator. a bad regulator will cause it to misfire and idle rough. also does it run good at higher rpm if it does i would be 80% sure that would be your problem

Posted on Aug 28, 2008

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  • 1 Answer

SOURCE: 1991 jeep cherokee running rough.

It could be the alarm. Lock the drivers door with the key and unlock it this will reset the alarm if thats the problem.

Posted on Sep 10, 2008

teezay731
  • 1 Answer

SOURCE: rough idle stalls at low rpm's

check your transmission fluid,the motor will stall when fluid is low

Posted on Mar 24, 2009

chryslertech
  • 115 Answers

SOURCE: 2005 jeep grand cherokee limited 5.7 hemi vehicles hesitates

The egr valve is located on the front of the right cylinder head. It has a tube attached to it and going to the intake manifold.It has failed and is why your jeep is running rough and hesitating. Replace it and it will fix your driveabllity issues. Disconnect the battery for 2 min to clear the code.

Posted on Apr 02, 2009

Murphybanton
  • 2004 Answers

SOURCE: 1999 jeep wrangler idles rough almost dies out now has a slight miss or hesitation while driving

Please be fast about checking your fuel pump. It is not giving enough fuel pressure.

Cheers.

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Posted on May 25, 2009

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