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Tried Castrol Synthetic 5w-30 and now my truck smokes in the morning when I start it

Discussion in '2nd Gen. Tacomas (2005-2015)' started by 1Baddtaco, Apr 8, 2012.

  1. Apr 8, 2012 at 9:13 AM
    #1
    1Baddtaco

    1Baddtaco [OP] Member

    Joined:
    Mar 29, 2011
    Member:
    #54002
    Messages:
    13
    Gender:
    Male
    Sacramento
    Vehicle:
    06 PreRunner SR5 LongBed
    KN Amsoil fluids BFG Long Trails 265/70/17
    Has anyone of you guys experience this? I recently switched to Castrol Synthetic 5w30 and I've been noticing that my truck would smoke in the morning or when the engine is cold at startups. My truck has 72k 4.0 and other than a KN air filter, it's stock. Anyone of you guys experience this at all? Is there something that I should check or change? Should I switch back to conventional oil? I'm not sure if it was smoking before I switched to synthetic...I just recently noticed it...should I be worry?
     
  2. Apr 8, 2012 at 9:41 AM
    #2
    satcom221

    satcom221 Well-Known Member

    Joined:
    Apr 22, 2010
    Member:
    #35786
    Messages:
    74
    Gender:
    Male
    First Name:
    Rick
    Mercer Island, WA
    Vehicle:
    2010 Silver Streak Mica Double Cab SR5 4x4 SB
    Tail gate anti-theft, Backup camera anytime, anytime Fog Lights, always on 12v plugs
    If it is wispy smoke and then clears up once engine reaches normal operating temperature, given your milage, You most likely have overfilled the oil and the smoke is the blow-by which pools when engine cools.

    Give it a hundred miles or so. You could drain some fluid - 1 cup (max) to see if it goes away.
     
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