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Thread: Bad O2 sensors...?

  1. #61
    Join Date
    Sep 2006
    Location
    Coon Rapids, MN
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    1,219
    the 1st one................. jk its dirty.
    man i dont even want to look at mine

    04 Grand Prix GTP
    03 Z71 wanting a Turbo ,Stall, and Tune BAD
    THE SURGEON GENERAL SAYS NOTHING ABOUT SMOKIN A FORD

  2. #62
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    <div class='quotetop'>QUOTE(DamnYankee &#064; Apr 17 2007, 07&#58;05 PM) [snapback]90271[/snapback]</div>
    Is that a shot for being a Yankee or is it extraordinarily dirty?
    [/b]
    Yes, that was shot below the belt...and yes, it is dirty as hell. If I were you, I&#39;d try to clean it well once you find some time. But that is probably just my OCD speaking...

    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  3. #63
    Join Date
    Mar 2006
    Location
    Mesquite
    Posts
    8,176
    Yeah - got a little of the OCD myself and it bugged me putting it back together like that, but I was out of time and also unsure of how best to clean everything in general, and how to clean it without getting a bunch of crap down in the block.

  4. #64
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    You&#39;re lucky enough to get to allow it to get dirty. Mine is together and apart often enough that it doesn&#39;t get a chance to get dirty.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #65
    Join Date
    Mar 2006
    Location
    Mesquite
    Posts
    8,176
    OK on a serious note - this is my personal first time taking the intake off...

    So is it seriously worse than &#39;normal&#39; (keep in mind its an &#39;03 so it&#39;s had time to get dirty)?

    And what&#39;s the best thing to use and method to clean the intake as well as the block/heads without knocking a bunch of crap down into the heads and block?

  6. #66
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    I take my shop vac and get all the loose stuff off first, shove some rags down the intake runners and then use whatever you can find to clean it with on a rag. Lots of hand cleaning with rags soaked with solvent, paint thinner, mineral spirits, kerosene, simple green, orange citrus cleaner....whatever is your preference. Keep an extinguisher handy if you use flammable solvents. I take lacquer thinner and wipe the intake runners down in the heads if I want to clean them up a bit. Like I said, lots of clean rags. Wear chemical resistant gloves to protect your hands from solvents. The purple ones from Kimberly Clark are good for that kind of work.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  7. #67
    Join Date
    Mar 2006
    Location
    Mesquite
    Posts
    8,176
    Gotchya. So the intake runners are the &#39;ports&#39; in the heads or are they on the intake? I know, I&#39;m a dummy.

  8. #68
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    yeah, the intake ports are in the head. The intake runner is the short part inside the plastic intake. Don&#39;t use lacquer thinner on plastic. My brain fart there on the intake runner terminology.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  9. #69
    Join Date
    Mar 2006
    Location
    Mesquite
    Posts
    8,176
    Well wonder of wonders...Virgil and I logged from Mesquite to Arlington and as soon as we started logging, all the way there, the O2 sensors registered perfectly. So I still don&#39;t know HOW they&#39;re related, but replacing the knock sensors and harness seems to have fixed it.

  10. #70
    Join Date
    Mar 2006
    Location
    Mesquite
    Posts
    8,176
    Bump - anyone know how these things are related??

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