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2010 prostar maxxforce 13 no power/speed

Discussion in 'International Forum' started by grandpa joe 71, Jul 9, 2016.

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  1. Jul 9, 2016 #1
    grandpa joe 71

    grandpa joe 71 Bobtail Member

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    Oct 31, 2015
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    I purchased the truck a year ago haven't had any problems till about a month ago on a load and engine derates itself so I pull in engine idles fine just no power so I open hood while running and noticed fuel bowl little fuller than normal shut truck off change filter start truck up and low coolant light comes on I tow it to my local dealer 2 weeks to get to it and figure out bad wire for low coolant sensor ,and and egr was reading wrong so they replaced that and serviced truck 2 weeks later they call me and tell me head is leaking oil at head gasket I tell them I need to work just put truck back together so I can run 9200.00 for headgasket I don't have they then call me tell me engine lacks power I tell them that's supposed to be fixed well in way now theyre telling me to get head redone cause of carbon buildup valve is stuck but truck seem to run fine just cant get over 60 and getting there is slow anyone have any ideas im not taking it to that dealer ever again I am currently renting a teruck but I want my truck back
     
    grandpa joe 71, Jul 9, 2016
    grandpa joe 71, Jul 9, 2016
    #1
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  3. Jul 9, 2016 #3
    Strange ways

    Strange ways Bobtail Member

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    Jul 9, 2016
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    Sounds alot like what mine is doing. Had ERG replaced a month ago. Now I'm losing power on and off. Feels like it needs a regen but the dpf light won't come on. Would love to hear an answer
     
    Strange ways, Jul 9, 2016
    Strange ways, Jul 9, 2016
    #3
  4. Jul 9, 2016 #3
    DUNE-T

    DUNE-T Road Train Member

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    The answer as I heard is to get another truck and get rid of Maxxforce
     
    DUNE-T, Jul 9, 2016
    DUNE-T, Jul 9, 2016
    #3
    Texnmidwest and loose_leafs Thank this.
  5. Jul 9, 2016 #4
    Heavyd

    Heavyd Road Train Member

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    Maxxforce headgaskets are a "dry type" which means no coolant or pressurized oil goes through the head gasket. It basically only seals combustion gases. The oil is feed to the head through the side of the oil cooler module. Oil returns to the pan by gravity. You should never need a head gasket because of an oil leak. I think something else is wrong, if it is even leaking that bad. A number of things can cause low power. The exhaust back pressure valve can be stuck closed so hardly no exhaust gas can exit the engine, or the turbo waste gate actuator can be stuck open so all the boost pressure is dumped out the exhaust. These are common and the actuator rods/linkage seize up. Any fuel pressure issues will cause a warning light. EGR valve stuck open will cause warning light and the engine will buck and kick.
     
    Heavyd, Jul 9, 2016
    Heavyd, Jul 9, 2016
    #4
    z32sean and QUALITYTRUCK Thank this.
  7. Jul 10, 2016 #5
    grandpa joe 71

    grandpa joe 71 Bobtail Member

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    Oct 31, 2015
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    How would I check waste gate , as of right now no lights on dash the dealer also replace the boost sensor
     
    grandpa joe 71, Jul 10, 2016
    grandpa joe 71, Jul 10, 2016
    #5
  8. Jul 10, 2016 #6
    Heavyd

    Heavyd Road Train Member

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    It is mounted on the upper turbo and sorta points down a bit. The rod is retracted at key off and extended with the key on. The actuator is controlled by the ECM by the truck's air system, so make sure your air tanks are fully charged. The actuator rod moves only about 12mm or so. You can mark it with a pen or something and see if moves, or use a second person to watch it as you key on/off.
     
    Heavyd, Jul 10, 2016
    Heavyd, Jul 10, 2016
    #6
    QUALITYTRUCK Thanks this.
  9. Jul 11, 2016 #7
    grandpa joe 71

    grandpa joe 71 Bobtail Member

    36
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    Oct 31, 2015
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    Thanks I'll check that in the morning
     
    grandpa joe 71, Jul 11, 2016
    grandpa joe 71, Jul 11, 2016
    #7
  10. Jul 18, 2016 #8
    grandpa joe 71

    grandpa joe 71 Bobtail Member

    36
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    Oct 31, 2015
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    Sorry it took so long to post results today I checked like you said with key and nothing moves either on or off but when I remove hose it retracts and put Back on it extends about 12 mm this is with key off
     
    grandpa joe 71, Jul 18, 2016
    grandpa joe 71, Jul 18, 2016
    #8
  11. Jul 18, 2016 #9
    freightwipper

    freightwipper Road Train Member

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    Crapforce has been sued over that pos engine
     
    freightwipper, Jul 18, 2016
    freightwipper, Jul 18, 2016
    #9
    Team818 Thanks this.
  12. Jul 18, 2016 #10
    Heavyd

    Heavyd Road Train Member

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    I think the air control valve is no good. Sounds like the solenoid is stuck open internally. If you leave that little hose off and pinch it so air doesn't leak, and road test it, if your power is back then I would say you need a new air control valve.
     
    Heavyd, Jul 18, 2016
    Heavyd, Jul 18, 2016
    #10
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