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2002 Jeep Grand Cherokee 4.0L stutter

2002 Jeep Grand Cherokee 4.0L stutter

This topic has 4 replies, 2 voices, and was last updated 7 years, 7 months ago by Conrad Hutchings.

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November 8, 2016 at 3:39 am #871700
Conrad Hutchings
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Hello there i have a 2002 Jeep Grand Cherokee 4.0 i am having a stuttering problem with it i changed the fuel pump and the fuel filter thought that was my problem and it was not ran a cleaner threw the gas for the fuel injectors 2 times still did not fix the problem it only dose it when it is idling for so long to me it is gasping for air after u step on the petal it goes away soon as it idling for so long it starts again

Huchters358
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November 8, 2016 at 8:33 am #871722
James
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Do you have a scan tool that offers live data, ie blue driver or auto ingenuity .
November 8, 2016 at 8:47 am #871724
Conrad Hutchings
Participant
no i do not i ordered a Bluetooth one off Ebay i am waiting on it that tells me all that stuff
November 8, 2016 at 10:01 pm #871754
James
Participant
Try looking at your throttle plate is it dirty. Have you checked your fuel pressures before changing parts.

Check out fuel trims for positive numbers and vacuum leaks. What does throttle position say at idle, etc.
November 8, 2016 at 10:09 pm #871756
Conrad Hutchings
Participant
yes i did the fuel pump was going bad and the new one gives psi between 50 and 60 psi when running and when u turn it off it keeps the psi there to for 10 mins i have not checks the throttle body yet to see if it is dirty but i will do that

Thanks Huchters358
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