hey up peeps need a sl3 reg i think changed all o rings in etek4 started with air it up fine pull the trigger air just kept coming out of the barrel took apart replaced exhaust valve and all o rings in gun and does not have original problem ( apart from taking solenoid apart that is ) now it just haves no pressure coming through gun so am wanting to try a diff sl3 reg before i look at the solenoid or any help please peeps and thanks in advance