Question about 2005 Jeep Grand Cherokee

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2005 jeep grand Cherokee periodically fails to start on first attempt. Seems like problem is more likely to flare up following a short drive and then attempting to restart vehicle for next errand. Was able to get diagnosis codes P0688 and P2100 out of vehicle. Has the 5.7 Hemi

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  • Jeep Master
  • 20,706 Answers

Google those 2 DTCs, then post what is not clear.
or login to alldata.com and read what they mean and how to diagnose them. better buy a real FSM. its 100 times better.

Posted on Dec 01, 2013

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6ya6ya
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Posted on Jan 02, 2017

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

  • 1 Answer

SOURCE: 2005 Jeep Grand Cherokee (HEMI) Service Electric Brake System

Problem is a faulty Steering Angle Sensor (part of Steering Module) located in steering column ...replacement part $600.00.

Posted on Apr 16, 2009

hotrodshop
  • 106 Answers

SOURCE: My 95 Jeep Grand Cherokee Laredo will not start.

cj2176 is correct, we need a lttle more info. Sounds like it will need a new fuel pump or something related to it. Since it starts on starting fluid it has compression and air and spark, just no fuel. Fuel pumps can just stop working while driving, and if not working obviously will not start. No caodes will be set for a fuel pump not working. If it cranks but does not start have someone pound on the bottom of the fuel tank with a fist or small rubber mallet lightly (don't damage the tamk) while your cranking the engine. If it starts, the fuel pump module in the tank is bad.

Posted on Jun 05, 2009

Testimonial: "great imformation. The Jeep is at a NEW shop as i type. I said Nothing to him except use the code reader please. "

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