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Thread: Got Codes

  1. #1
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    Exclamation Got Codes

    Stop by pepboys to get a gas cap for my CTS check eng light came on the cap was bad replace it every thing ok got in TRUCK my light was on damit had the guy the read it codes PO170 & PO174 the i have bank 1 fuel trim malfunction for PO170 & system to lean for PO174 Bank 2 need help guys thanks & how do i turn light out
    Last edited by GRANTBP; 10-16-2012 at 08:53 PM.

  2. #2
    needs more cowbell!
    Name: Sheridan

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    You can unplug your battery for a while and that will reset your codes.
    Yes officer... I am aware of how fast I was going!

  3. #3
    needs more cowbell!
    Name: Sheridan

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    Also... sounds like you have a air leak somewhere. Look around for anything loose or do a smoke test to find where it's coming from.

  4. #4
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    thanks man off tomorrow will unplug battey tonite

  5. #5
    HiTech Redneck
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    Most common cause is the elbow in the lower intake.
    Bad news is you will need to pull toe S/C to get at it - unless you have TINY hands!
    Search will give you lots of info on it.
    Don't just clear the code - a lean condition is not good. Also the PCM will compensate for it and go rich on the fuel trims.
    Don't treat the symptom (clear the code) solve the problem - vacuum leak.

    LFP cold air, idlers & SBTB, Steig ported Eaton & intake, BA2600, C&L, Punisher, Belltech suspension Rotor Pros, Harwood hood JVC audio & other stuff I can't remember over the last 2.5 years! Tuned by JJ@WMS

  6. #6
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    Question

    Quote Originally Posted by HiTechRecneck View Post
    Most common cause is the elbow in the lower intake.
    Bad news is you will need to pull toe S/C to get at it - unless you have TINY hands!
    Search will give you lots of info on it.
    Don't just clear the code - a lean condition is not good. Also the PCM will compensate for it and go rich on the fuel trims.
    Don't treat the symptom (clear the code) solve the problem - vacuum leak.
    were is it located i checked everywere going to get some carb cleaner an spray around all vac lines

  7. #7
    ResFirma Mitescere Nescit
    Name: stew

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    all the way in the back at the bottom of the lower intake manifold...

  8. #8
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    started her up light went out drove about 15 miles no light the test will be the drive to work tomorrow was off today thanks for your help

  9. #9
    *SOLD - but not forgotten
    Name: Chuck NHTOC #291

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    Wink

    Quote Originally Posted by bgstew6 View Post
    all the way in the back at the bottom of the lower intake manifold...
    Look at the elbow that is circled at the bottom of the turkey pan.
    The hose that goes on there is plastic and becomes brittle over time and cracks which creates a vacuum leak. (Same hose that the L&S oil seperator plugs off)

    Stew loves to change these out without pulling the blower and does house calls for a bowl of chili. Just give him a call!


  10. #10
    ResFirma Mitescere Nescit
    Name: stew

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    LOL I make my own CHili....usually will settle for some grade A salsa and fresh tortilla chips

    I have seen the plastic hose crack...

    more times than not its the rubber elbow that has degraded from the oil

  11. #11
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    i hope that not leaking it will be a bi!!@h to get to

  12. #12
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    It's actually not too bad to get to once the blower is off.
    01 hd with a s/c swap, built motor, ported heads, stage 3 cams, whipple 3.4 s/c 4 upper and 4 lower for the street, 3.5 upper and 6 lower when i want to get nasty. wms big inlet and cai, whipple 160 sbtb, punisher built trans, circle d 2400 stall, trick stage 3 i/c, lfp dual pass h/e, triple 255 fps in a fore hat, -10 feed and -6 return, aeromotive reg., jlp rails, 80# inj., ba3000 maf, sct x-cal3, jlp comp r, detroit tru-trac, ta rear diff cover, 4.10 gears, jlp traction bars, metco idler pullies, mp tensioner bridge, hotchkis tvs, plenty of bling and soon to come new mods

  13. #13
    Registered User
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    Quote Originally Posted by tpr103 View Post
    It's actually not too bad to get to once the blower is off.
    i need to clean my I/C any one want to help

  14. #14
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    Where are you located?

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