Engine misfire

Discussion in '2005 - 2015 Toyota Tacoma' started by Mel Bjork, May 12, 2022.

  1. Mel Bjork

    Mel Bjork Member

    2008 tacoma 255,000 miles 4 cylinder, I got a PO301 code (#1 Cyl. misfire) I changed all four plugs and #1 ignition coil and all worked great for about 40 miles and then the same code came back. Not sure what my next step should be?

    #1 cyl. compression is 140

    I've been doing some research and I think I should replace the injectors. Has anyone used rebuilt injectors? I'm looking at them on Rockauto.
     
    Last edited: May 12, 2022
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  3. TacoTruck2019

    TacoTruck2019 Well-Known Member

    I'd try running some injector cleaner in you're gas first. As far as changing injectors I'd only use Toyota OEM injectors.
     
    B-Man likes this.
  4. OP
    Mel Bjork

    Mel Bjork Member

    I just installed new injectors and ignition coils and it's still missing?
     
  5. Befoom

    Befoom Member

    Engine misfire can also happen if the fuel line is clogged. In order to prevent this from happening, make sure that the gas cap is always closed tightly. Also, make sure that the fuel filter is clean. Seeing 222
     
  6. Bojangles

    Bojangles Well-Known Member

    Have you seen where the fuel filter is?
     
    B-Man likes this.

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