My frst was set to run 10psi ages ago and it stayed like that, was off road 18month and brought back on road and it ran like bag shit. took 195 superchip out and she ran fine past month

then she started hittin 12psi regulary, then after few days 14 psi.

just today for quick second she hit 17psi??

what is going on with it?

any help much appreciated

thanks

carlos