Malfunction Indicator Light - Emissions Only? - Nissan Murano Forum
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post #1 of 6 Old 06-24-2019, 08:49 PM Thread Starter
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Malfunction Indicator Light - Emissions Only?

The Murano Owner's Manual has no mention of a "Check Engine Light", the usual term used with most vehicles. This vehicle uses the term "Malfunction Indicator Light" in its place and states that the light comes on when there is an emissions-related issue (or the gas cap isn't tight). When I mentioned to a friend of mine, a mechanic, that the MIL was on, he said that there could be dozens of reasons why the check engine light comes on. I told him the owner's manual says that light only come on when there is an emissions-related issue. Is the mechanic correct? Or is the owner's manual correct? If the owner's manual is correct, how does the driver get notified when one of those other "dozens of reasons" happen? Are there dedicated "non-check engine" warning lights for each malfunction? If the all-encompassing "check engine light" no longer is used, perhaps there are dedicated warning lights for each potential malfunction now.
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post #2 of 6 Old 06-25-2019, 08:29 AM
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The FSM manual has a better description of the MIL light (EX-28)
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post #3 of 6 Old 06-25-2019, 12:04 PM Thread Starter
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Thanks. I actually do have an emissions-related issue that is being checked today. So the owner's manual was spot on.
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post #4 of 6 Old 06-25-2019, 12:12 PM
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My take is your mechanic was correct, the MIL light will come on for many engine related events, some of which are emissions related.

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post #5 of 6 Old 06-25-2019, 12:27 PM Thread Starter
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O.K. Thanks.
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post #6 of 6 Old 06-25-2019, 12:37 PM
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After I thought about this a little, I came to the conclusion that an engine related event will almost always affect emissions...

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