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My truck IS "bogging" down.. (Horrible power loss & MPG's)

Discussion in 'Performance and Tuning' started by RJALLDAY702, May 14, 2013.

  1. May 14, 2013 at 2:02 PM
    #21
    RJALLDAY702

    RJALLDAY702 [OP] U MAD? OH U MAD

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  2. May 14, 2013 at 2:06 PM
    #22
    Bmack04

    Bmack04 Active Member

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    Due do the intermittent nature of your problem, I would not suspect the converter is clogged unless if you smack it with your fist it rattles badly the catalyst inside could be loose, very unlikely. Did you replace the MAF sensor or just clean it? You stated you have replaced plug wires a while ago, did you use good parts or the cheap Autozone red ones? What is the issue with the charcoal canister?
     
  3. May 14, 2013 at 2:08 PM
    #23
    707tothe907

    707tothe907 Superior Member

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    Clean TB/MAF/Air filter.

    If that doesn't work....

    Seafoam.

    If that doesn't work....

    Change spark plugs or at least re-gap all of them.

    If all else doesn't work....

    Take off the catalytic converter for a day and see if it may be clogged.

    If all that fails start taking offers on the truck.
     
  4. May 14, 2013 at 2:09 PM
    #24
    MightyMouse-SCT

    MightyMouse-SCT Well-Known Member

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    Can't just throw away a gem like that .
     
  5. May 14, 2013 at 2:10 PM
    #25
    RJALLDAY702

    RJALLDAY702 [OP] U MAD? OH U MAD

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    Right, Ill be sure to give it a good :smack: when I get off work
    I just cleaned it, thoroughly. How can I tell if its gone bad?
    I used 100% toyota spark plugs.
    Im getting a code thrown on my truck that the charcoal canister is going bad, or is already bad.
    Seafoam was my next idea, Im going to check the exhaust system as well
     
  6. May 14, 2013 at 2:51 PM
    #26
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

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    Have had intermittent boggin when coil on plug coil was starting to go bad without it throwing CEL or misfire codes on a car I had before. And the only time I had a cat be clogged enough to cause the vehicle to bog it was glowing red and was not intermittent. Good luck with it.
     
  7. May 14, 2013 at 2:54 PM
    #27
    PLC721

    PLC721 Well-Known Member

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    I've been fighting mine for years, next is replacing fuel filter/pump with a walbro one from URd
     
  8. May 14, 2013 at 3:07 PM
    #28
    RJALLDAY702

    RJALLDAY702 [OP] U MAD? OH U MAD

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    Got it! Ill do more research on that one.
    let me know how it goes!
    Does this sound like the same thing you are experiencing?
     
  9. May 14, 2013 at 3:17 PM
    #29
    Mad Man Marty

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    Check coil, wires, then your cat. Converter.
    Take 02 sensor off before cat, and take for drive.
    See how your power is then.
     
  10. May 14, 2013 at 3:20 PM
    #30
    RJALLDAY702

    RJALLDAY702 [OP] U MAD? OH U MAD

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    What exactly should I be looking for when I check the Coils?
     
  11. May 14, 2013 at 4:30 PM
    #31
    anthony250f

    anthony250f Well-Known Member

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    i doubt its the charcoal cannister....mines toast and i get the codes too...but i dont have any bogging
     
  12. May 14, 2013 at 7:10 PM
    #32
    Mad Man Marty

    Mad Man Marty Well-Known Member

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    Go to youtube,type how to check coil on plug. Pick the videos by realfixesrealfast. He does a great job of showing u what u need.
    If there is still a problem check your cat. When they break up or start to clog, it will give all of the symtoms u have. One last thing, at no point are u throwing bad codes? Check engine light? Keep us informed. Good luck.


    QUOTE=RJALLDAY702;6888391]What exactly should I be looking for when I check the Coils?[/QUOTE]
    Check the charcoal canistor vent tube, and filter.
    Do a search in TW for charcoal canistor. Read all threads
     
    Last edited: May 14, 2013
  13. May 15, 2013 at 3:03 AM
    #33
    Torspd

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    I forgot to mention this earlier, but after you clean the throttle body, disconnect the battery for a good 10 minutes. That way you reset the learned parameters in the ecu.

    Un-bolt the TB and you can thoroughly get to both sides of the butterfly, flap, TB valve, or whichever you would prefer to call it. Lol.

    Unless the charcoal canister is cracked (you would know best) it could be a vacuum leak or connector causing it issue.

    A clogged fuel filter can assist in bogging, but not near as bad as clogged cats. At the same time, if the ecu cannot go through all of its warm up cycles due to say a really dirty TB, that can have serious side effects as well.
     
  14. May 15, 2013 at 7:06 AM
    #34
    anthony250f

    anthony250f Well-Known Member

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    To bad you cant get the cannister without lifting the bed or dropping the tank
     
  15. May 30, 2013 at 5:06 PM
    #35
    Mad Man Marty

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  16. Dec 14, 2013 at 9:09 AM
    #36
    OlDirtyTaco

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    Im having similar issues - started all of a sudden last night. Serious bogging, can't go more than 25 MPH, misfiring, glowing red cat. Cleaned my MAF really well this morning - did nothing. What's next? After reading this, I will go clean my TB, air filter housing etc. Should I take out the o2 sensor and run it? Should I drop the cat and run it? Thanks for all the great info so far - any help would be greatly appreciated.
     
  17. Dec 14, 2013 at 11:39 AM
    #37
    tooter

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    I know this might sound simplistic...


    ...but check for a vacuum leak. Bogging down and hot cat are indications of an intake air leak, like a hose to the intake manifold that's disconnected or cracked.


    Don't ask me how I know... :rolleyes:


    Greg
     
  18. Dec 14, 2013 at 12:11 PM
    #38
    SoCalTacos

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    Check your cabin filter for marijuana residue buildup...
     
  19. Dec 14, 2013 at 11:54 PM
    #39
    Torspd

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    How many miles are on your truck?

    What Tooter said is very possible as well.
     
  20. Dec 15, 2013 at 4:47 AM
    #40
    stroked383z

    stroked383z Well-Known Member

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    A glowing red cat is probably the cat clogged up. Are all the cats glowing, or just one?
     
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