I have a 2016 ftype. Engine light comes in sometimes and then goes off after a couple days. it’s an on and off type of deal.

Is it a faulty sensor? can someone give me some advice on why this is happening?

 

I have a 2016R and had that issue. Engine light would come on and stay solid. Then it would be off a couple days later. I just stopped by OReilleys and had them scan it so I knew the code and issue. Mine was an O2 sensor going bad. Still covered under mfg warranty.

 

Without getting the codes we have no idea?
Follow what the above post suggests.
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My ‘17 R does it to this day. It’s always been the O2 sensor, which means nothing to me unless I’m getting an inspection. I think the raw fuel that’s dumped into the exhaust for the cracks and pops gunks them up. They extended the warranty for just this issue (15yrs?) but I find if I drive it hard it goes away lol

 

We used to call that an "Italian tuneup".

 

Used to? We still do!