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gas/injector cleaner and treatment suggestions?

Discussion in '4 Cylinder' started by norcal4banger, Apr 19, 2011.

  1. Apr 19, 2011 at 8:10 PM
    #1
    norcal4banger

    norcal4banger [OP] 11-98 MUD

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    I'm wondering if this could help my recent idle problems and at least help clean shit out. Have you guys used Injector or gas treatment or cleaners? If no one knows what I'm talking about, its like this:

    [​IMG]

    What should I use? What do YOU use?

    **2.7 Four Cylinder 120k miles
     
  2. Apr 19, 2011 at 8:11 PM
    #2
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Most are junk. Lucas is alright. I use it every oil change.
     
  3. Apr 19, 2011 at 8:16 PM
    #3
    norcal4banger

    norcal4banger [OP] 11-98 MUD

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    Just at any autozone or something? I wonder if fuel injector cleaner is even the stuff I should use....maybe gas treatment or something?
     
  4. Apr 19, 2011 at 8:17 PM
    #4
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Have you checked out your air filter? How long has it been since you installed new plugs?
     
  5. Apr 19, 2011 at 8:26 PM
    #5
    tacomaman06

    tacomaman06 Carolina Alliance: Lead, follow, or get the hell o Thor

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    i'd check the air filter and maf sensor. you'll get a rough idle and bad mileage if the maf is dirty. as for something for the gas tank......i've used seafoam and berryman b-12 chem-tool....and occasionally some techron.\

    seafoam is awesome.....the berryman is better for lawnmowers carbs and such.
     
  6. Apr 19, 2011 at 8:28 PM
    #6
    purple taco

    purple taco Well-Known Member

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    Try seafoam it helped with my idle. Got it at wall mart.
     
  7. Apr 19, 2011 at 8:31 PM
    #7
    purple taco

    purple taco Well-Known Member

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    Tacoman knows what he talking about.
     
  8. Apr 19, 2011 at 8:31 PM
    #8
    norcal4banger

    norcal4banger [OP] 11-98 MUD

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    air filter is the aFe dry drop in replacement, i installed it maybe a month ago. toyota just changed the plugs about two weeks ago and the idling issues started about a week ago, I'm gonna take a look at the plugs in the morning.

    Maybe I'll fill up next with some premium chevron...if that will make a difference. How do I check and what is maf?
     
  9. Apr 19, 2011 at 8:33 PM
    #9
    whippersnapper02

    whippersnapper02 Well-Known Member

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    MAF is in here. Gas won't do anything.
     
  10. Apr 20, 2011 at 10:56 AM
    #10
    PSJ

    PSJ Prerunners Work

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    Most idle problems can be resolved by cleaning as illustrated above. You said Toyota just changed the plugs, and a week later the problem started? Probably not the plugs then, since it was not a problem until a week after install, but you could double check the gaps just in case the Toyota Monkey did not. A good fuel system cleaner may also help clean out any deposits a 120,000 mile plus motor normally may have in the fuel injectors, etc. All this should resolve your issue...:cool:
     
  11. Apr 20, 2011 at 11:00 AM
    #11
    AC13JohnG

    AC13JohnG Señor Member

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  12. Apr 20, 2011 at 11:04 AM
    #12
    seksilumpia

    seksilumpia Well-Known Member

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    a lot of these additives dont actually work..ive seen a video on youtube where they tested various brands and the results all suffered -2%..i would just get some better oil and make sure its changed on time!
     
  13. Apr 20, 2011 at 12:25 PM
    #13
    norcal4banger

    norcal4banger [OP] 11-98 MUD

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    What would be a good oil to change to for my motor? I use Quaker State 530 now, and I do about 12000 miles every 6 months.
     
  14. Apr 20, 2011 at 12:52 PM
    #14
    seksilumpia

    seksilumpia Well-Known Member

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    if you can afford it,royal purple is great..if not,mobile 1 is half the price and just as great..if you treat your rig with just the basics like good quality gas and oil,it wont need the other additives,so splurge on better gas and oil..especially with the modern day engines,they are more advance than the older ones that did need an extra boost
     
  15. Apr 20, 2011 at 12:56 PM
    #15
    seksilumpia

    seksilumpia Well-Known Member

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    do what PSJ recommended though..clean the MAF and throttle,it will make a difference and in MPG's as well..im completely forgot to mention that
     
  16. Apr 20, 2011 at 1:01 PM
    #16
    travelingman

    travelingman What would Scooby do?

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    Seafoam helps a rough idle.I've used it in many generators that have sat for long periods and it straightens them right out.
     
  17. Apr 20, 2011 at 2:45 PM
    #17
    PurpleHayz

    PurpleHayz New Member

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    Seafoam is decent, but Mopar Combustion Chamber Cleaner is the best I've seen (much better expansion). Lotta gear heads use the stuff (see here) though I don't advise you to do this in your garage, or even your neighborhood.
     
  18. Apr 20, 2011 at 5:56 PM
    #18
    PSJ

    PSJ Prerunners Work

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    Run Dino and change the oil and filter every 4-5000 miles. Any top quality oil and filter will be fine. :cool:
     
  19. Apr 22, 2011 at 10:11 AM
    #19
    ecoterragaia

    ecoterragaia Well-Known Member

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    Might not be a bad idea to check for any hoses that might've worked loose and could be causing vacuum leaks. Changing the spark plugs requires removing the intake silencer on top of the valve cover. The silencer has two little vacuum lines (sans clamps) that connect to sensors which, in part, help control idle and emissions. Also, the auxilary PCV "overflow" hose is connected to the rear of the silencer with a very weak clamp.

    Also, you can check the spark plug gaps, but don't try to gap them. If the dealership replaced them they're probably the stock Iridiums and will break the tips off inside the cylinder if you try to gap them.

    Clean the throttle body manually, clean the MAF sensor, and make sure that you didn't get any water-laden gas. I have used Techron with some success in the past, but am by no means trying to convince you to use it. These days most fuels have all of the detergents needed to keep the injectors and valves fairly clean, if you don't have a direct injection engine (which we don't).
     
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