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Engine has a miss/vibration- Can someone check my data?

Discussion in 'Technical Chat' started by PatrickR, Nov 8, 2015.

  1. Nov 8, 2015 at 12:56 PM
    #1
    PatrickR

    PatrickR [OP] Member

    Joined:
    Apr 25, 2013
    Member:
    #102831
    Messages:
    13
    Gender:
    Male
    NKY
    Vehicle:
    2007 TRD Sport 4x4 DCSB
    I'm getting desperate... About a month ago I decided to change the plugs on my "07 TRD Sport 4x4. At the same time, I cleaned the throttle body and the MAF sensor, and shot some Sea Foam through the TB.

    The plugs are Denso's. The engine has ~130k miles and ran fine before the above listed maintenance. Right after the maintenance, I'd get a vibration/miss type of feeling on take-off. I did not feel this at idle. It got to where it would vibrate at highway speeds and was to the point that I thought it was a hub assembly. That went away. I even put the old spark plugs back in but there was no change. After hours of online research, I decided to try a new set of coils. No change. I've checked every vacuum line I can find and can't find a leak. Right now, it has a very noticeable shimmy/vibration when the engine is under load.

    I bought a Blue Lemur OBDII scanner and am really clueless as to the data it's providing. Can someone take a look and see if there's anything that stands out as a possible cause? This thing is driving me crazy!
     

    Attached Files:

  2. Nov 19, 2015 at 5:20 AM
    #2
    elnip

    elnip Well-Known Member

    Joined:
    Sep 7, 2012
    Member:
    #86436
    Messages:
    502
    Gender:
    Male
    LC,NM
    Vehicle:
    '98 Tacoma TRD S/C'd / /'16 T4R Trail
    Taco SC'd, fuel mods, Supra TT MAF, TRD Headers, Water Meth Injection, Tundra Brake upgrade Trail w/URD EL Headers. JFR EL Y-pipe, URD Hi Clearance cat back, KDMAX Tune, 4.56's
    Not familiar with the product but looking at the website it looks to have the capability to generate reports so to make sense of the data.
    Maybe call their customer support and get some direction?
     
  3. Nov 22, 2015 at 1:19 PM
    #3
    PatrickR

    PatrickR [OP] Member

    Joined:
    Apr 25, 2013
    Member:
    #102831
    Messages:
    13
    Gender:
    Male
    NKY
    Vehicle:
    2007 TRD Sport 4x4 DCSB
    Thanks for the reply, elnip. I've checked the website for some guidance, but it's sparse. The marketing seems to be geared towards car owners who want to read their check engine light codes. I know that the data collected (as I posted above) is capable of telling so much more, but deciphering the info is an issue. I purchased this device after seeing it mentioned here on TW. I was hoping someone could take a look at the file and give some guidance on what's there. My Tacoma is still having issues and I'm still cringing every time I drive it. I really hate the thought of going to the dealer as I'm a DIY guy and can't stand the thought of their crazy prices.
     

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