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Two issues on V-6; pinging under load with 91 octane and hesitating from idle (no load).

Discussion in '1st Gen. Tacomas (1995-2004)' started by Gooch, Dec 20, 2015.

Page 8 of 8
  1. Aug 23, 2016 at 6:59 PM
    #141
    Gooch

    #141
    Gooch [OP] Well-Known Member

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    ^I don't think he has a diagnostic tool to find that out.
     
    Gooch, Aug 23, 2016
    #141
  2. Aug 23, 2016 at 8:07 PM
    #142
    CodeSeven

    #142
    CodeSeven LOC: 33.781461, -115.867251

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    he has a diagnostic unit. well need an update on the trims and o2 sensor values. with IDs
     
    CodeSeven, Aug 23, 2016
    #142
  3. Aug 23, 2016 at 8:19 PM
    #143
    Gooch

    #143
    Gooch [OP] Well-Known Member

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    Now I'm confused. Are you asking me or are you asking thunderone?
     
    Gooch, Aug 23, 2016
    #143
  4. Aug 23, 2016 at 8:30 PM
    #144
    CodeSeven

    #144
    CodeSeven LOC: 33.781461, -115.867251

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    lol yours.
     
    CodeSeven, Aug 23, 2016
    #144
  5. Aug 23, 2016 at 8:34 PM
    #145
    Gooch

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    Gooch [OP] Well-Known Member

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    Sounds like thunderone's issue is worse. But I'll check my fuel trims.

    My guess is they'll be just as awesome as they were right after I changed my MAF sensor, as listed earlier in this thread. :)
     
    Last edited: Aug 23, 2016
    Gooch, Aug 23, 2016
    #145
  6. Aug 24, 2016 at 9:24 PM
    #146
    ThunderOne

    #146
    ThunderOne Well-Known Member

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    You guys need to quote me otherwise I won't get the notification lol. I don't know if it's worse but it's definitely there.

    As for fuel trims, no clue. Need a scan gauge :)
     
    ThunderOne, Aug 24, 2016
    #146
  7. Aug 27, 2016 at 12:18 PM
    #147
    ThunderOne

    #147
    ThunderOne Well-Known Member

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    Closed the gaps to <.040.... No change in behavior. I'm out of ideas except for the major service that needs to be done.
     
    ThunderOne, Aug 27, 2016
    #147
  8. Aug 27, 2016 at 1:11 PM
    #148
    cruiserguy

    #148
    cruiserguy Well-Known Member

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    Shit man, that sucks. Just from reading I know this has been a real pain in the ass for you. I wish I had some kind of possible idea for a solution. There's gotta be something...
     
    cruiserguy, Aug 27, 2016
    #148
  9. Aug 27, 2016 at 4:20 PM
    #149
    ThunderOne

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    ThunderOne Well-Known Member

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    Well I'll have the stealer do the injectors, valve cover gaskets, valve adjustment, timing belt, water pump and probably LBJs all in one trip. That will probably be in several months, whenever I hit 200k. I'll be sure to report back once that's done and let y'all know what happens.
     
    ThunderOne, Aug 27, 2016
    #149
  10. Aug 27, 2016 at 7:26 PM
    #150
    Gooch

    #150
    Gooch [OP] Well-Known Member

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    The LBJ's should take care of the pinging. :rofl:
     
    Gooch, Aug 27, 2016
    #150
    Dalandser likes this.
  11. Aug 27, 2016 at 11:30 PM
    #151
    ThunderOne

    #151
    ThunderOne Well-Known Member

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    I wish lol
     
    ThunderOne, Aug 27, 2016
    #151
  12. Jun 18, 2017 at 8:12 PM
    #152
    ThunderOne

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    ThunderOne Well-Known Member

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    :wave: How we doing this summer?!
     
    ThunderOne, Jun 18, 2017
    #152
  13. Jun 18, 2017 at 8:49 PM
    #153
    Gooch

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    Gooch [OP] Well-Known Member

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    She pings. :-(

    I have determined (with no data to back it up) that this is by design. The computer seems to adjust the timing so that you get an occassional ping. That is how it knows that it set right. If it never pings, it will advance the timing until it occasionally pings. If it pings too much, it will back it off a little bit. This is why going to 89 or 91 octane works for only a little while.

    IMHO!
     
    Last edited: Jan 20, 2018
    Gooch, Jun 18, 2017
    #153
  14. Jun 19, 2017 at 7:39 AM
    #154
    ThunderOne

    #154
    ThunderOne Well-Known Member

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    That may very well be the case and may be why the manual says that occasional pinging will occur. So maybe we are just worrying too much about it. The plugs do look just fine. Guess I'll just have to learn to ignore it lol.
     
    ThunderOne, Jun 19, 2017
    #154
  15. Jun 19, 2017 at 8:07 AM
    #155
    Gooch

    #155
    Gooch [OP] Well-Known Member

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    Indeed.

    Blasting music helps, BTW.
     
    Gooch, Jun 19, 2017
    #155
  16. Jun 19, 2017 at 8:20 AM
    #156
    ThunderOne

    #156
    ThunderOne Well-Known Member

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    It helps with lots of truck related noises lol
     
    ThunderOne, Jun 19, 2017
    #156
    Mulepadre likes this.
  17. Jun 19, 2017 at 9:33 AM
    #157
    Ridgerunner

    #157
    Ridgerunner Well-Known Member

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    2001 with; cat-back side-swept twin exhaust, elbow mod, Westin bullbar with Hella 450 driving lights, Snugtop XTR camper shell, TRD off-road 2x4-black beauty.
    I guess I'll drop this wingnut down the carburetor; in the 16 years I've owned my Tacoma, not one time did that 3.4 ping. Ever. And this ping thing is a peeve of mine. My '86 GMC Jimmy pinged like it was going to blow and I was in that engine bay EVERY FRIKKIN DAY!!!! trying to find out why after blowing bucks having a dealership come up with nothing. That truck made me crazy till I got rid of it.
    I guess I'm posting this to show that pinging is not a regular thing with ALL 3.4s as previously posted.
    EDIT: I should've said that I have only used Chevron or 76 fuel and strictly 91 octane always. This may matter.
     
    Last edited: Jun 19, 2017
    Ridgerunner, Jun 19, 2017
    #157
  18. Jun 19, 2017 at 11:32 AM
    #158
    ThunderOne

    #158
    ThunderOne Well-Known Member

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    Meh... probably just a 5 speed thing
     
    ThunderOne, Jun 19, 2017
    #158
  19. Jun 19, 2017 at 12:32 PM
    #159
    Gooch

    #159
    Gooch [OP] Well-Known Member

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    Could be!
     
    Gooch, Jun 19, 2017
    #159
  20. Jan 19, 2018 at 12:47 PM
    #160
    ThunderOne

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    ThunderOne Well-Known Member

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    ThunderOne, Jan 19, 2018
    #160
Page 8 of 8

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