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Thread: Problem with NGK wideband... maybee someone know how to help...

  1. 02-09-2013 #1
    one_bad_ls1
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    Problem with NGK wideband... maybee someone know how to help...

    Ok guys i am having an issue with my NGK Powerdex wideband...

    I am trying to calibrate (calibrated it MANY times befor)

    The Problem:
    The wideband wont show cal- or air so i can calibrate it just sits at 16.00....

    Had it sit in "open air" for about an hour went back to calibrate and it was still at 16.00 ... let it sit on over night still at 16.00 .... unplugged sensor and plugged it back in and still same issue.

    I have a new sensor on the way, just not sure if it is the sensor. Always had the sensor just quit completely and the WB will show an SEN code.

    ANYONE ever had this issue?????

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  2. 02-09-2013 #2
    Ben Charles
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    A sen code means there is an issue (wiring, etc) look in the back of the directions you got with the WB and it will explain what codes it may throw.

    When you have power to the box you can turn the knob and it may say Air_ or Air- or Cal. Does any of that show or just 16.00 the ENTIRE TIME?

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  3. 02-09-2013 #3
    DSteck
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    Is it in actual open air, or installed in exhaust?

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  4. 02-09-2013 #4
    one_bad_ls1
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    Quote Originally Posted by Ben Charles View Post
    A sen code means there is an issue (wiring, etc) look in the back of the directions you got with the WB and it will explain what codes it may throw.

    When you have power to the box you can turn the knob and it may say Air_ or Air- or Cal. Does any of that show or just 16.00 the ENTIRE TIME?
    I dont have sen code, but I normally get one when sensor is bad thats why I'm thinking it might not be the sensor...

    I have tried turning the knob both ways trying to her to the calibration and it wont show, thinking the wb might be bad... Says 16.00 the entire time, out of the car... but reads different afrs while installed.

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  5. 02-09-2013 #5
    Ben Charles
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    Ditto what Dave said, if its really in the exhaust then there is a your problem, even if the car has been sitting for awhile, it doesn't matter.

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  6. 02-09-2013 #6
    one_bad_ls1
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    Quote Originally Posted by DSteck View Post
    Is it in actual open air, or installed in exhaust?
    Actual open air, like out of exhaust outside the shop in the driveway LOL

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  7. 02-09-2013 #7
    Ben Charles
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    Actual open air, like out of exhaust outside the shop in the driveway LOL
    Never hurts to make sure, youd be suprised what we see lol

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  8. 02-09-2013 #8
    one_bad_ls1
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    I have been through 3 sensors this one is only about 3 months old hard to believe its bad already.... Have another sensor on the way already, I'm just worried wb is messed up.

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  9. 02-09-2013 #9
    one_bad_ls1
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    Quote Originally Posted by Ben Charles View Post
    Never hurts to make sure, youd be suprised what we see lol
    LOL I completely understand hahaha..... Normally easiest to start with the simple stuff, or what "seems" to be common sense when helping someone diagnose on forums.

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  10. 02-10-2013 #10
    DSteck
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    NTK sensor?

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  11. 02-10-2013 #11
    LSxpwrdZ
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    Fuel being used and which sensor? Bosch or NTK?
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  12. 02-10-2013 #12
    one_bad_ls1
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    Yes ntk sensor..... Pump gas mainly and 50% meth 50% water

    The sensor still gets hot.... So IDK

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  13. 02-10-2013 #13
    MMGT1
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    What type of O2 removal tool are you using? I was using the standard type that looks like a spark plug removal tool with the side cut out for the wire clearance. I think that tool took out my sensor bending the lead every time it was installed and removed. I would suggest a line wrench from now on, if indeed your new sensor fixes the problem
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  14. 02-10-2013 #14
    LSxpwrdZ
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    Order a 15401 from autozone... it has a waranty if it takes a dump in a certain time... You may try contacting NGK to send it in to have checked???
    Last edited by LSxpwrdZ; 02-10-2013 at 09:51 AM.
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  15. 02-10-2013 #15
    one_bad_ls1
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    I use a 7/8 wrench to remove it (easy access right up top)... wires look good.

    What is the difference between the 15401 and a 24302??????? they are both NGK sensors right (one in a bosch box) ? the price difference is big tho...

    NAPA: (dont have autozone)
    24302 $134.10
    15401 $179.10

    Those wont be the prices i pay, i get a vary large discount (normally about 40-60% of list price, or at Napa cost due to my coporate discount)
    Last edited by one_bad_ls1; 02-11-2013 at 12:14 AM.

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  16. 02-12-2013 #16
    one_bad_ls1
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    Ok the problem was the sensor! Got a new one in and its all good...

    I need to get another wideband just to double check them....

    that damn sensor made me kill a turbo motor... couldnt figure out the issue of why it blew up... now i know! thank god it wasnt a $5k shortblock!

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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  17. 02-13-2013 #17
    JakeM
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    Which part number did you end up ordering?
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  18. 02-13-2013 #18
    one_bad_ls1
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    Quote Originally Posted by JakeM View Post
    Which part number did you end up ordering?
    I went with the 24302 sensor since it was listed as the direct replacement for the NGK Powerdex..... it also has a warranty.

    5.3, 317 heads, ls6 intake, 02 ZO6 cam, hardened pushrods, PRC dual springs, FMIC, 15* timming, 18psi boost, th400 w/transbrake .... 600rwhp
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