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2003 Jeep Grand Che...
 
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2003 Jeep Grand Cherokee

  

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My son suv started shaking at a red light he notice the rmp’s almost at zero . But when he takes off they start to go back up but fluctuates . What do u think the prob is ? Or what do I start to look at first . automatic 


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I would check the fuel filter first and make sure it isn't clogged. It sounds like a fuel problem, so you want to make sure it is getting all the gas it needs to run ok. 

 

If the filter isn't clogged I would pressure test the fuel pump to make sure it is doing its job.

 

Start there and then let us know if the problem continues.


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