[MRO1791]

Has anyone gotten this code? Know what it is? How serious is it? Should I take the car in tomorrow or can it wait?
Thanks for any help
-Alex


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https://www.obd-codes.com/p046e

Looks like an EGR problem, I'd get it checked out very soon. A stuck open EGR has been known to cause other issues to the turbo and DPF, as in clogging them with soot..

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[MRO1791]

Planned on taking it in tomorrow to have them do something. Know what would cause that?


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From the description for the code.. could be an electrical connection to the EGR valve.. could be a circuit issue. Where I live I've had problems with mice getting under the hood.. they can chew wires and hoses. Chewed through a vacuum line for the turbo on one of my cars. It is also possible it's an erroneous code. I once got a CEL on a vehicle that indicated an issue with the automatic transmission... Problem with that: it had a manual transmission! Thankfully it was cleared and has not returned! These cars have considerable on board diagnostic capabilities, but as with the average PC.. sometimes they do also have glitches.

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[MRO1791]

The remote start won't work either. The code has come up every time I've run the car the last 2 days. But that is a possibility


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Anytime there is any CEL ( check engine light ), or in car service manual terms MIL ( malfunction indicator lamp). The remote start is disabled. There is a blurb about this somewhere in the owner's manual. Once that condition and code is clear, remote start should again be working.

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