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Thread: Check engine light but system ok

  1. #1
    Join Date
    Jan 2014
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    Phoenix
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    680

    Check engine light but system ok

    I checked the fluids and my air filter is clean. I guess I need to get a scanner? 2013 JK Sport S.

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  2. #2
    Join Date
    Dec 2006
    Location
    the 'Tukee
    Posts
    2,932

    Re: Check engine light but system ok

    Reading out the fail code is the only way to know what's wrong. Many of the local auto parts stores will scan the code for you for free.
    Kenneth
    1998 TJ 4.0 MT

  3. #3
    Join Date
    Nov 2013
    Location
    Scottsdale
    Posts
    2,493

    Re: Check engine light but system ok

    Actually some codes can be retrieved on the dash where the odometer is. Key (not run, on) on-off-on-off-on within 5 seconds (keep it pressed in so it doesn't "click"). Will replace odometer with ----- then either OBD code or "done". My Jeep was a little temperamental but eventually showed it.

    Some folks also say they got it to work just going to accessory rather than on.

    And like Kenneth said, places like AutoZone, OReillys etc all have readers.

    If you have a FlashCal or other programmer for tires/gears, some of those will read OBD codes too.
    Quote Originally Posted by Oscar_Mike 2013
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    2014 JK Rubicon Granite Crystal

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  4. #4
    Join Date
    Jan 2014
    Location
    Phoenix
    Posts
    680

    Re: Check engine light but system ok

    Cool. Thanks guys. I forgot the auto stores do free testing.

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