05 Mariner - check emission system

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DESCRIBE ISSUE....First, all dash lights and instruments went out. So, I changed fuse (#7) and that fixed the problem, but then check engine light is on and the message is on dash is "check emission system". Went to Autozone for diagnostic code, and P0462 came up with messages, no fuel (I had 3/4 tank), fuel flap, signal circuit open, signal circuit is shorted to case.
That "fuel level sensor code" was probably set due to the fact that the instrument cluster lost power. I would suggest clearing that code to see what happens next. Keep an eagle eye on the fuel gauge to see if it does something unexpected.