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Rough idle in drive only.

Discussion in '1st Gen Tundras (2000-2006)' started by Pucks18, Sep 11, 2020.

  1. Sep 11, 2020 at 5:03 AM
    #1
    Pucks18

    Pucks18 [OP] Panic mode

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    Not sure if this is worthy of a thread. I have an 01 v8 that is shaking and stumbling it seems, and it only happens in drive stopped at a red light. And when I take my pedal off the brake, it'll inch forward as usual but it will feel a little crippled if you know what I mean. Truck drives and shifts fine aside from that. Anyone have any ideas? I'm gonna check and prob replace the plugs cause of how easy that is. Could this be a transmission issue? I doubt it but I hope not. Has this ever happened to anyone else? Sometimes my truck with feel like it stumbles at idle barely, but not enough to cause concern, but now this is causing concern. Thanks.
     
  2. Sep 11, 2020 at 5:09 AM
    #2
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Remove Ignition Coils and Inspect/Meter Test during spark plug change.

    How many miles on truck?
     
    Tundra2 and bmf4069 like this.
  3. Sep 11, 2020 at 5:12 AM
    #3
    FrenchToasty

    FrenchToasty Desert rat

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  4. Sep 11, 2020 at 5:13 AM
    #4
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    In addition to that, make sure that TB is clean, and check your vacuum hoses for slight leaks.
     
  5. Sep 11, 2020 at 5:24 AM
    #5
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    That job will send Pucks into Phase 4 Panic Attack. :D

    He’ll start hearing noises and seeing Boogie Men from under the truck.

    Yeah. Cleaning that TB will help. Hoping thats the simple fix as its at idle only.
     
    Tundra2 and Pucks18 [OP] like this.
  6. Sep 11, 2020 at 5:25 AM
    #6
    Pucks18

    Pucks18 [OP] Panic mode

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    136,000 miles on the truck. No check engine light. Plugs changes 5k ago. 2 new coils 4k ago from preventative maintenance
     
  7. Sep 11, 2020 at 5:26 AM
    #7
    Pucks18

    Pucks18 [OP] Panic mode

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    The timing belt shouldn't be dirty?!? What??!! Lol jk, throttle body. Got it
     
  8. Sep 11, 2020 at 5:33 AM
    #8
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    @theblurry1 just did his and could feel a big difference. Use Throttle Body Cleaner only! And a micro fiber towel. If its really gunky you might need your brothers tooth brush.
     
    035VZFE, bmf4069, theblurry1 and 2 others like this.
  9. Sep 11, 2020 at 5:33 AM
    #9
    Pucks18

    Pucks18 [OP] Panic mode

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    Speedkar reference eh?
     
  10. Sep 11, 2020 at 5:43 AM
    #10
    Rex Kramer

    Rex Kramer 1-8-7-3-6-5-4-2

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    Clean the MAF and TB first.
     
  11. Sep 11, 2020 at 7:56 AM
    #11
    theblurry1

    theblurry1 New Member

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    Castle Rock, CO
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    270K miles, converting into off-grid camper, A.R.E. camper shell (with cab pass-through, rooftop fan, and side windows delete), bedlinered steel ladder rack (with 60" Hi-Lift jack, wooden rooftop deck, and hammock mount), all LED lights (red dash, 4" side floods, 32" rear bar), Android head unit, 1.5" lift from Bilstein 5100 struts, 32" DuraTrac tires on factory rims, 1.5" wheel spacers, Moog suspension parts, SuperSprings leaf kit, diff drop, Reese trailer brake control, GoRhino Hitch Step, debadged, F-150 rear bumper, center console unit upgrade, partial rear bench seat delete, dashcam, aftermarket speakers, 50% sound deadening coverage, custom tools unit.
    Right on. The really thick TB gunk I cleaned off didn't remove easily with the cleaner, I had to press the microfiber towel down to remove. It was intense taking out the whole throttle body to clean the back too, but my Tundra runs better, has more throttle response, and literally sounds cooler when starting up now.

    Since now I'm addicted to making her run better, new spark plugs should be arriving soon. It's been about 30K miles. Went with the Denso iridiums.
     
  12. Sep 11, 2020 at 8:46 AM
    #12
    Pucks18

    Pucks18 [OP] Panic mode

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    Nice. But pretty sure the ngk copper plugs are the recommended ones from toyota.. Ngk bkr6eya
     
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  13. Sep 11, 2020 at 9:03 AM
    #13
    theblurry1

    theblurry1 New Member

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    Castle Rock, CO
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    You're right, but I believe iridiums are a newer technology and they last longer. The difference between the two is likely not that noticeable and I already bought the parts, so.
     
  14. Sep 11, 2020 at 9:58 AM
    #14
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Those are the ones I have now. Those are the two sets that I’ve been swapping. Bought them as they were spec’d and cheap at around $2 each when I bought them from autostore. Rated for 20k miles.

    I’ll switch to the TT Iridiums when these wear out. Looked at the price and they are $7+/- each, but rated for 100k miles with better technology. Would love to hear a review on these when blurry gets them in.
     
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  15. Sep 12, 2020 at 8:57 AM
    #15
    KNABORES

    KNABORES New Member

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    I had a set of plugs that were iridiums that my truck didn't like. Switched back to coppers and it ran like a dream.
     
  16. Sep 12, 2020 at 12:32 PM
    #16
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Good feedback. My truck really likes these Coppers right now. Waiting for feedback. Which brand Iridiums and were they the twin tip?
     
  17. Sep 12, 2020 at 3:53 PM
    #17
    foxtrapper

    foxtrapper New Member

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    Check your codes again and see if you’ve got a transient warning about temperature sensor error. Or just spend the ~$10 and simply replace it. If the sensor is faulting the engine can idle rough.

    Just something else that can cause a rough idle.
     
    artsr2002 likes this.
  18. Sep 12, 2020 at 4:42 PM
    #18
    artsr2002

    artsr2002 2005 Tundra DC SR5

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    Check inside the frame rail right beneath the driver's door for an external fuel filter. If it has one you might need to replace it.
     
    Black Wolf likes this.
  19. Sep 13, 2020 at 8:54 AM
    #19
    KNABORES

    KNABORES New Member

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    They were dual electrode Bosch or NGK I believe. Truck acted like the gap was wrong. I checked them and they measured OK, but idle wasn't as smooth and some times it would stumble trying to start. Swapped back for OEM coppers and back to normal.
     
  20. Sep 13, 2020 at 9:03 AM
    #20
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Thanks. I had some Iridium long life single tips put in by others in the engine before going to these coppers. I did notice the engine felt smoother but attributed it to new plugs. The old Iridiums weren’t in bad shape. I want to hear @theblurry1 feedback and I’ll figure it out from there.
     
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  21. Sep 13, 2020 at 12:24 PM
    #21
    theblurry1

    theblurry1 New Member

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    Will do sir! Waiting on that socket tool to arrive tomorrow so I don't have any more happy accidents. ;) I'll let y'all know how it feels, iridiums are what's already in there, though.
     
  22. Sep 13, 2020 at 12:31 PM
    #22
    035VZFE

    035VZFE New Member

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    240k, Painted Valve Covers, Solid Alu. Radiator, Blue Wire Treatment, Wanting The TRD Supercharger
    On my tundra, I cannot explain the difference of the way it runs after doing that job.
    Took around an hour on my 5VZFE and it's an entirely different truck.
    The Throttle return spring is still toast though.
     

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