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Engine running horrible codes P0301 & P1300 Cylinder #1

Discussion in '1st Gen. Tacomas (1995-2004)' started by Plumberscrack75, Sep 20, 2008.

  1. Sep 20, 2008 at 1:08 PM
    #1
    Plumberscrack75

    Plumberscrack75 [OP] New Member

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    I replaced the coil pack #1-4 last week, got spark back. It ran better for four days and went back to what it was doing. Last night changed plugs and wires, nothing changes. Still not getting spark through wires. Faulty new coil pack?? all connections checked and are tight. any suggestions?
     
  2. Sep 21, 2008 at 5:47 AM
    #2
    Janster

    Janster Old & Forgetful

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    How's your battery?

    Sounds silly - and perhaps it is, but I've seen (and had happen) weirder things happen in other vehicles.

    We had some weird issues in our vette - where we were getting codes & sensor problems. We changed the battery and it's been fine ever since.
     
  3. Sep 21, 2008 at 7:45 AM
    #3
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Janster is right about the battery. How old is it? Double check to make sure you have power going to your coil packs. I cant find info on a P1300 code. Did you mean PO130? Thats an o2 sensor.
     
  4. Sep 21, 2008 at 7:51 AM
    #4
    lawnrevenge

    lawnrevenge Well-Known Member

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    Had this happen on my VW GTI. You probably got a bad coil pack. But check the wires going to it. VW's were notorious for those wires losing insulation and grounding causing problems. VW was up to "K" series coils when I had to replace mine (started at A and didn't get it right until "I" or "J". IF the wires to the coil have bad insulation problems there are heat blocking materials you can wrap the wires in.
     
  5. Sep 21, 2008 at 8:51 AM
    #5
    kevhogaz

    kevhogaz Low Speed, High Drag

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    The P301 code is for a misfire in cylinder 1. The P1300 code is for a problem with the ignition system, that uses one coil for two cylinders. I'd look at the coil for cylinder #1, and all the wiring around it. I'd say the misfire code is the cause of both of the codes.

    If you didn't already replace that coil, I would. If you have, make sure it's on all the way, and the connector is good on the end of it.

    Hope this helps you out.
     
  6. Sep 21, 2008 at 8:52 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Welcome to TW! Were did you find the P1300 code? I couldnt find it?
    Thanks!
    Chris
     
  7. Sep 21, 2008 at 9:14 AM
    #7
    kevhogaz

    kevhogaz Low Speed, High Drag

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    Thanks for the welcoming. I haven't had a chance to "introduce" myself properly, yet.

    I have access to All Data, through work, and can check it out at home, too. If I'm at work, I have access to all Toyota service information, if needed.
     
  8. Sep 21, 2008 at 4:12 PM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Very good to know! Your going to become a popular guy around here. :D
     
  9. Sep 21, 2008 at 4:43 PM
    #9
    Plumberscrack75

    Plumberscrack75 [OP] New Member

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    Thanks, for the opinions! I bought a new coil last week and it must have gone bad, so the auto parts store swapped me for another new one. I put it in yesterday and we're back to normal.
     
  10. Sep 21, 2008 at 8:25 PM
    #10
    kevhogaz

    kevhogaz Low Speed, High Drag

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    If it fails again, try a factory part. A lot of mis-fire codes are caused by aftermarket plugs/wires. It's so common, it's the first thing we check when we see any P300 codes.
     
  11. Sep 6, 2016 at 8:27 AM
    #11
    ZionXIX

    ZionXIX New Member

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    Dead Thread Revive.....
    Did you ever find a solution to the P1300 problem OP? I am having a similar problem with my 5VZ engine.

    Thanks
     
  12. Sep 7, 2016 at 5:32 AM
    #12
    cruxofthebisquit

    cruxofthebisquit Well-Known Member

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    OME and worth every penny.
    Be sure to replace the boots under the coils. Many wire kits don't come with them.
     
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