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Direct and port injection

Discussion in '5th Gen 4Runners (2010-2024)' started by fslaugts, Jun 7, 2021.

  1. Jun 7, 2021 at 3:42 AM
    #1
    fslaugts

    fslaugts [OP] New Member

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    I thought the 4 runner used Port injection, but I noticed on Toyota site it stated they used direct injection. I believe port injection was the old way and all new cars now use direct injection. Can someone clarify this for me. thanks
     
  2. Jun 7, 2021 at 9:11 AM
    #2
    McSpazatron

    McSpazatron New Member

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    This would be news to me. This is supposed to be an “ancient” engine.
     
  3. Jun 7, 2021 at 9:27 AM
    #3
    whippersnapper02

    whippersnapper02 New Member

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    The 1GR is port injection, not direct. The 3.5 in the Tacoma is direct and port injection.
     
  4. Jun 7, 2021 at 9:42 AM
    #4
    Agent_Outside

    Agent_Outside A Guy A Girl and A Trail

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    Port injection in old, this is what you have on your 5th Gen, direct injection is the newer more efficient way of doing it but it’s proven very maintenance heavy because of problems with carbon building up on the back of the valves. Now they use both systems for different driving conditions and the port injection washes the back of the valves to avoid carboning. They started it with Lexus and I think maybe the 2017 Highlander was the first Toyota to use the dual injection systems.
     
    MeefZah likes this.
  5. Jun 7, 2021 at 10:21 AM
    #5
    fslaugts

    fslaugts [OP] New Member

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  6. Jun 7, 2021 at 10:57 AM
    #6
    Agent_Outside

    Agent_Outside A Guy A Girl and A Trail

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    Ignition.... not injection.

    It has coil on plug ignition.
     
  7. Jun 7, 2021 at 1:06 PM
    #7
    fslaugts

    fslaugts [OP] New Member

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    Oh My!, I feel stupid. Thanks for clearing that up.
     
  8. Jun 8, 2021 at 3:14 PM
    #8
    McSpazatron

    McSpazatron New Member

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    Ok good. Back to enjoying my 4runner without having to worry about disassembly of top end to clean valves at 100k
     
    peter2772000 likes this.

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