HELP Check Engine Light

[Jq42]

I received the message below when leaving work. Don't know if this helps, but It was about 50 degrees outside.

The only mods i have are JLT intake and Muffler delete.

WARNING: Under engine misfire conditions, excessive exhaust temperatures could damage the catalytic converter, the fuel system, interior floor covering

Has anyone had this same code?

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[Juben]

What was the actual code? P0301?

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[Jq42]

What was the actual code? P0301?

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I didn't get a code. I tried looking into 'Engineering Test' mode to get a trouble-codes, but nothing showed up on the DTC screen.

 

[Juben]

That's a new one on me then. I've never seen or heard of it showing that message.

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[Jq42]

That's a new one on me then. I've never seen or heard of it showing that message.

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I ran the vehicle health report after the light came on.

I researched what my "vehicle health report" said and I got the following.

EMISSION CONTROL SYSTEM

Your vehicle has run out of fuel—the engine may misfire or run poorly.

Poor fuel quality or water in the fuel—the engine may misfire or run poorly.

The fuel fill inlet may not have closed properly. See Refueling.

Driving through deep water—the electrical system may be wet.

Could this be why there is no code under the DTC screen?

 

[Juben]

That's so strange. I assume there was fuel in it, correct? Lol. I'd reset the ECU and see if it happens again.

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[Jq42]

That's so strange. I assume there was fuel in it, correct? Lol. I'd reset the ECU and see if it happens again.

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Full tank on Saturday... I will be disconnecting the battery later to see if that does anything.

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