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Fuel pump issues

Discussion in 'Wrangler JK (2007-2017)' started by Rc Jeep, Sep 17, 2016.

  1. Sep 17, 2016 at 7:32 PM
    #1
    Rc Jeep

    #1
    Rc Jeep [OP] Well-Known Member

    Joined:
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    Ryan
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    '16 Rubicon
    Evo mfg front coil overs Evo mfg rear coil overs Jks drag link flip Je reel 1310 front & rear driveshafts 37" Nitto trail grapplers 17x9 atx slabs Evo mfg quarter pounder w/stinger Evo mfg rear fascia w/ d ring mounts
    i got a 2016 jku. Mt.
    Two weeks ago on a trail while in 4 lo 2 gear about 4K rpms lost power and died. Got two codes but they would show on my reader and Christmas tree of lights.
    Traction control
    Parking break
    Check engine
    Sway bar
    Lockers
    Abs
    So on...
    Turned out to be a bad fuel pump. This was at 5500 miles.
    Today on trail on a hill climb 4 lo 2nd gear 3k rpms check engine came on.
    Misfire cylinder 6.
    Tried to limp it back, died on me again. Only light on is check engine.
    6 codes be thrown
    Misfire cylinder 6
    Drivetrain module
    Can't see the rest.
    When trying to turn over cant hear the clicking of the fuel pump.
    This is at 6k miles

    Are they known for going out? Any thoughts?
     
    Rc Jeep, Sep 17, 2016
    #1
  2. Sep 17, 2016 at 8:31 PM
    #2
    C2T

    #2
    C2T Well-Known Member

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    Richard
    Helena, Montana
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    Jeep
    2.5" AEV Dual Sport lift, 35" Treadwright Guard Dogs, Black Rock Wheels, AEV Front & Rear Bumpers with Tire Carrier, Fuel Caddy 10 gal. Aux. fuel tank, Warn 9.5ti, 125' synthetic winch line, front axle skid, 20" LED light bar , Bilstein Shocks, steel steering skidplate,
    Well, I don't know about the 16s but that has not been a common issue (to my knowledge) on the 12-15.

    This is not a fix to whatever is throwing the codes but disconnecting the battery for about 40 minutes may reset your computer and get you out of limp mode.
     
    C2T, Sep 17, 2016
    #2
  3. Sep 17, 2016 at 8:37 PM
    #3
    Rc Jeep

    #3
    Rc Jeep [OP] Well-Known Member

    Joined:
    Sep 8, 2016
    Member:
    #190
    Messages:
    465
    Gender:
    Male
    First Name:
    Ryan
    Vehicle:
    '16 Rubicon
    Evo mfg front coil overs Evo mfg rear coil overs Jks drag link flip Je reel 1310 front & rear driveshafts 37" Nitto trail grapplers 17x9 atx slabs Evo mfg quarter pounder w/stinger Evo mfg rear fascia w/ d ring mounts
    Attempted that, held the positive and negative to bleed to the system. After resetting Ecu same codes thrown. I will post codes tomorrow.

    When I say limp I mean I was trying to take it easy on the way In wasn't actually in limp with limited power. I have no power can get the engine to turn over.
     
    Rc Jeep, Sep 17, 2016
    #3
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