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2007 Sequoia - If it sits 4 or more days the motor sounds like it's going to explode on first start

Discussion in 'Sequoia Builds' started by simspace, Mar 1, 2023.

  1. Mar 1, 2023 at 5:29 PM
    #1
    simspace

    simspace [OP] New Member

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    Chris
    I have owned my 2007 Sequoia since July 2020. I've noticed a disturbing pattern when the car sits unused for 3 or 4 or more days.

    After sitting for an extended period of time unused, it's as if all the engine oil has leaked down into the crankcase and the motor has dried out.

    When the motor is started for the first time it sounds like it's going to explode. But within seconds after the oil has circulated everything quiets down and sounds normal.

    This has happened to me twice after returning from a vacation. Both times I thought the motor was blown.

    I do a high mileage synthetic blend oil change every 5,000 miles. When I drive it the oil pressure is solid. Even with 310,000+ miles this car has zero leaks, does not burn oil, and runs like a champ. I'd drive it cross country in a heartbeat if it wasn't for the MPGs.

    Can anyone tell me what is going on?
     
  2. Mar 2, 2023 at 5:40 AM
    #2
    S. Equoia

    S. Equoia New Member

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    Ontario, Canada
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    2015 Sequoia
    Bad injectors or dirty throttle body? Battery and sparks ok? Could be the fuel pump too from what I've read.
     
  3. Mar 2, 2023 at 5:46 AM
    #3
    hagrid

    hagrid The most diverse of Diversity Hires!

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    paynuss stretchers
    Normal behavior for your mileage and time left sitting.
     
  4. Mar 2, 2023 at 6:54 AM
    #4
    endagon

    endagon New Member

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    Timing chain tensioner perhaps?
     

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