Hello,

We have a 2009 Nissan Versa 1.6L base. The car has no visible issues. Runs perfect, no stalling, idle, power issues. MPG is in the 38's. This car has all perfect book followed maintenance since I bought it in 2009. 101, 400 miles on it. Only issue I have had with it is a corroded ground cable in 2016. Grounds are all good. 1 yr old battery. Throttle body just cleaned out.

The P2100 comes on a day after it is reset.

Any ideas?

Maybe you need to narrow the code down, you have it typed in two different ways there..................If it didn't show until after the TB work was done well that should say something................

Oh d*mn. I meant to type P2100 in the title. It's the only code we are getting.