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Fuel Injection mainentance

Discussion in 'Technical Chat' started by scottfontana, Nov 18, 2011.

  1. Nov 18, 2011 at 4:46 PM
    #1
    scottfontana

    scottfontana [OP] Member

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    I am a new member. I have purchased a 03 Tacoma V-6 Auto double cab. I have previously driven GM trucks / vehicles and have to keep fuel injection / intake cleaned regularly for proper idling and performance.

    My has 70,000 and I want to make sure all maintenance is done. Looking for maximum performance and mileage.

    Scott
     
  2. Nov 18, 2011 at 5:09 PM
    #2
    scottfontana

    scottfontana [OP] Member

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    Thanks I will try the seafoam
     
  3. Nov 19, 2011 at 6:17 AM
    #3
    BUZZCUT

    BUZZCUT Well-Known Member

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    You can also hydro-lock your engine doing this. I wouldn't recommend this procedure.
     
  4. Nov 19, 2011 at 7:11 AM
    #4
    Natetroknot

    Natetroknot Def Leppard Sucks!

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    It is possible. Liquids don't compress. All it takes is adding too much too quickly, which is relatively easy to do.

    I wouldn't recommend this procedure either, OP.
     
  5. Nov 19, 2011 at 7:14 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Tis true...adding seafoam too fast into the vacuum line CAN cause damage to an engine.
     
  6. Nov 19, 2011 at 7:24 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Correct! ^^^ Trying to put it in too fast is when the damage can occure. That being said, If you run a quality gasoline, and keep up on regular maint. (Air filter, oil change, etc.) you shouldnt have to use any injector tratments. Most all gasoline now has addatives to keep the injectors clean. The EPA made this a requirement some time ago.


     
  7. Nov 19, 2011 at 4:12 PM
    #7
    scottfontana

    scottfontana [OP] Member

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    Guys I added the seafoam as directed on the can through the vaccum hose off of the brake booster. I poured it in slowly and then let it sit for about 5 minutes and then drove it until it cleared. Seems to idle smoother. I will know more after driving it this week.

    Thanks for the words.
    Scott
     
  8. Nov 19, 2011 at 4:27 PM
    #8
    scottfontana

    scottfontana [OP] Member

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    Seafoam recommends adding to crankcase prior to oil change to clean lower in. Anyone done this. I would be a little concerned about clogging oil pump if engine has alot of sludge.
     
  9. Nov 19, 2011 at 4:37 PM
    #9
    scottfontana

    scottfontana [OP] Member

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    I assume you are talking about running it for about a 1000 miles?
     
  10. Nov 19, 2011 at 4:50 PM
    #10
    scottfontana

    scottfontana [OP] Member

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    I appreciate that I will add it 1k before oil change.
     
  11. Nov 20, 2011 at 3:03 PM
    #11
    jward

    jward Member

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    A quart of tranny fluid right before you change the oil works good too. I did that on the 97 Camry work car I had right before I did some top end work, and it really cut the sludge down as it was trashed before. I just dumped it in, drove it to work and back that night, then changed it that night. An old mechanic I knew showed me that. Just a thought.
     
  12. Nov 20, 2011 at 3:10 PM
    #12
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I dont think I would do that in an VVT over head cam engine. "Old" mechanics know alot about push rod engines with those carburetor thing-a-ma-jigs. Not much about newer stuff.
     
  13. Nov 21, 2011 at 8:43 AM
    #13
    BUZZCUT

    BUZZCUT Well-Known Member

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    I have used diesel fuel and transmission fluid in pushrod motors only (cars, trucks, tractors). I would be very leary in doing that in anything latemodel. ymmv
     
  14. Nov 25, 2011 at 8:37 PM
    #14
    too old

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    Interesting topic.

    My owner's manual says to service the fuel injectors every so many thousand miles (not sure of exact number) but in very small print, it also says "or" use fuel injector cleaner in gas tank regularly.

    I use Lucas fuel injector cleaner. I once had a throttle body fuel injected motor that ran really sluggishly and a mechanic said that the throttle body had to be rebuilt to the tune of several hundred dollars. Being cheap, I decided to try fuel injector cleaner first and wow, the difference was like night and day after a few minutes of driving!

    My son also found this out with his 2008 Honda after bad idling.
     
  15. Nov 26, 2011 at 4:56 AM
    #15
    BUZZCUT

    BUZZCUT Well-Known Member

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    Rebuild the throttle body eh? I recommend you never visit that jackwad ever again. Did he mention blinker fluid refill in that conversation?:cool:
     
  16. Nov 26, 2011 at 4:27 PM
    #16
    scottfontana

    scottfontana [OP] Member

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    I have not used the Lucas fuel injection cleaner but have used the sea foam (put it directly into vacuum hose). The idle is getting better as I drive. I have ran a tank of premium fuel through the truck as well.

    I am doing a little at a time to see which really works and if will increase performance and mileage. Getting 15.8 mpg driving back and forth to work in traffic.

    Scott
     
  17. Nov 27, 2011 at 8:52 AM
    #17
    too old

    too old Member

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    Originally I used another cleaner which was very expensive but worked great. Like the Lucas injector cleaner, you just pour it into your gas tank. I since switched to Lucas as it is much cheaper and have had the same results. Every once in awhile it is available at a much cheaper price in a larger quantity at the drag races at the Lucas tent in the pits.

    So now it's a part of the routine maintenance at every oil change.
     
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