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Cadillac Tech Tips - How to fix it Discussion, Malfunction Indicator Light with P0741 and P1860 in Item Specific Cadillac Discussion; cool...
  1. #46
    RippyPartsDept's Avatar
    RippyPartsDept is online now Hi, I'm Chris - Please Read My Signature
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    Re: Malfunction Indicator Light with P0741 and P1860

    cool
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
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  2. #47
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    Re: Malfunction Indicator Light with P0741 and P1860

    I failed the emissions test!
    Learned about drive cycle the hard way.
    I'll drive her some more, be sure to do all the stuff listed and go back again.

    Is there a way to tell if the components that were not ready are ready before I go back?
    *Evaporative Control System
    *Heated Oxygen Sensor
    *Oxygen Sensor

  3. #48
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    Re: Malfunction Indicator Light with P0741 and P1860

    Some of the emissions sensors need several successful (no fault/no excess emissions) start-run cycles to set the necessary ready flags in the OBD-II system. Either perform the complete drive cycle or drive the car normally for a week of commuting, with its starts and stops.

    Any way to tell ??? some aftermarket scanners will show a "ready" message when all is right, and so will a ScanGauge-II - www.scangauge.com

  4. #49
    RippyPartsDept's Avatar
    RippyPartsDept is online now Hi, I'm Chris - Please Read My Signature
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    Re: Malfunction Indicator Light with P0741 and P1860

    some obd tools will tell you the readiness
    like this one apparently
    http://www.amazon.com/Autel-MaxiScan...dp/B001LHVOVK/
    it seems to be one of the less expensive ones that will tell the readiness
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
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  5. #50
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    Re: Malfunction Indicator Light with P0741 and P1860

    The Caddy is my weekend car. I have a service truck supplied and gassed by the company I work for that I bring home.
    I'll do the Drive Cycle for a few weekends then go to Autozone and see if their scanner can tell me I'm ready.
    I was wondering if there's a way to run or read the codes without using a scanner to see if the flags are gone and the sensors are ready.

    As always, thanks for the help.

  6. #51
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    Re: Malfunction Indicator Light with P0741 and P1860

    Our system won't tell you emissions systems status - but if there are no Current P codes then the system should be ready for test - BUT several emissions codes (some P codes) need several "clean" start-run cycles to set the ready flags, and I don't know how many successful start-runs it takes to get rid of the H designation for emissions.

    Did you look at the ScanGauge ?? It's a handy piece of engine monitoring and diagnostic tool .............

  7. #52
    RippyPartsDept's Avatar
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    Re: Malfunction Indicator Light with P0741 and P1860

    i forgot about the ScanGuage II ... it does readiness as well, right?
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
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  8. #53
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    Re: Malfunction Indicator Light with P0741 and P1860

    I don't really do enough automotive work to justify the purchase of a scanner. Also we're saving for a down payment on a new house so funds are tight.

  9. #54
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    Re: Malfunction Indicator Light with P0741 and P1860

    Quote Originally Posted by RippyPartsDept View Post
    i forgot about the ScanGuage II ... it does readiness as well, right?
    Chris, Yep, it has 5 buttons on the face - when in the "4 gauge readout" mode you can use one button to scroll to the scan/codes/ready/not ready screen - on the fly.

    The unit is not simply a scanner - it constantly monitors 12 engine, transmission, and car functions and you can set it to readout any 4 at one time. I set mine to: Intake Air Temp, Coolant Temp, Ignition Advance and MAP (Manifold Absolute Pressure = vacuum = load). It is also a comprehensive trip/fuel/cost calculator.

    If you are a button pusher you can program in an additional 4 or 6 gauges, depending on what your OBD or CAN system monitors.

  10. #55
    RippyPartsDept's Avatar
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    Re: Malfunction Indicator Light with P0741 and P1860

    does it have a cable so you can mount it anywhere?
    i would assume yes, right?
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  11. #56
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    Re: Malfunction Indicator Light with P0741 and P1860

    Yep, it comes with a 6 foot cable - OBD connector on one end, ethernet click-in connector on the other.......... and the new SG-II models can be daisy-chained together for a constant 8 gauge digital readout. Stick-on Velcro strips also supplied.

  12. #57
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    Re: Malfunction Indicator Light with P0741 and P1860

    There's an auto shop nearby that will scan the Caddy let me know if she is emission test ready (no charge).
    So I'm off to Rockford & back this morning with stops here & there to complete the drive cycle.
    Just for the fun of it, I'm going to try this cheap scanner out. Comes with software and will link to my laptop via bluetooth.
    Super Mini ELM327 v1.5 OBD2 OBDII Bluetooth Adapter Auto Scanner Android
    $12.40 with free shipping, what's the worst that could happen?

    ----------

    I'll let you know how the test goes and how the scanner works.

    Probably should start a new thread and not add more to this old one.

  13. #58
    RippyPartsDept's Avatar
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    Re: Malfunction Indicator Light with P0741 and P1860

    as long as you're not planning on using the ELM with an apple device
    it work with torque app (which is android only)
    and it also has a cd to install software on a laptop, palm, or windows phone
    but torque is probably the best
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

  14. #59
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    Re: Malfunction Indicator Light with P0741 and P1860

    Yaaaay! I passed the emissions test! I feel so much better now, I can once again look down on the Prius-driving people with a smugness thet thought belonged only to them.
    The ELM will be bluetooth connected to my Panasonic Toughbook CF-30.
    No wimpy tablet or smartphone for me.

  15. #60
    RippyPartsDept's Avatar
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    Re: Malfunction Indicator Light with P0741 and P1860

    ok cool
    OTTO and OTTO like this.
    Chris Heath (RippyPartsDept) is an ASE Certified GM Parts Consultant at Rippy Automotive
    Rippy is a Cadillac, Hummer, Saturn & Saab dealership & Official Saab Service Center
    ~~ Family owned and operated in Wilmington, NC since 1946 ~~
    We offer all forum members discounts on parts and freight
    phone: 800-RIPPY-22
    <-- insert standard boilerplate about posts not necessarily representing my employer, etc -->

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