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Misfire and wont go past 2000 RPM 06 4.7 Cherokee

Discussion in 'Performance & Tuning' started by Jeepbeater, Jul 27, 2021.

  1. Jul 27, 2021 at 6:26 AM
    #1
    Jeepbeater

    #1
    Jeepbeater [OP] New Member

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    David
    Va.
    2006 Jeep Grand Cherokee 4.7L all stock exact Stereo
    2006 Jeep Grand Cherokee 4.7. Been 4 months on this problem.Drove it 10 minutes to the store ran great when i went to go home it would not start.Now after changing sensors and dropping the exhaust down it will start but after 10 minutes it shakes and if you give it gas it will go to 2000 rpm then it starts going up and down the idling even if you hold it to the floor and im so lost this time its got me stressed out to where i cant think about it..Put Cam and Crank because it had a cam code and keeps coming back..Anybody got any idea what i need to do next
     
    Jeepbeater, Jul 27, 2021
    #1
  2. Jul 28, 2021 at 8:47 AM
    #2
    Bob

    #2
    Bob Well-Known Member Moderator

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    Which codes are coming up
     
    Bob, Jul 28, 2021
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    Groundfault likes this.
  3. Jul 28, 2021 at 7:37 PM
    #3
    Groundfault

    #3
    Groundfault Well-Known Member

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    Tim
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    87 Wrangler, kind of...
    5.7 V8 with Whipple Supercharger, TH350 w/B&M Shifter, NP205 TC, Dana 60 front 4.56, GM 14 bolt 10.5 rear 4.56, 4 wheel discs, Bilstein shocks, 6" lift on 37's, Autometer gauges, all led lighting and a few other things.
    Sounds symptomatic of a faulty knock (detonation) sensor unless that's one of the sensors you already replaced. Like Bob said, any CEL codes? As always, let us know if you find a solution.
     
    Groundfault, Jul 28, 2021
    #3
  4. Jul 28, 2021 at 7:44 PM
    #4
    Jeepbeater

    #4
    Jeepbeater [OP] New Member

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    David
    Va.
    2006 Jeep Grand Cherokee 4.7L all stock exact Stereo
    that's one of the only ones I didn't want to replace because it looks like a job..The code that keeps coming back is the cam sensor and now its giving me map code also Thank you for the info
     
    Jeepbeater, Jul 28, 2021
    #4
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