Just installed a Prosport Elec. boost gauge last week. Everything was fine until this morning-the gauge started showing 4psi with just the ignition on. Now shows 4 addtional lbs of boost under WOT. I unistalled and reinstalled everything (made sure all connections were sound). After searching, I see there are a lot of problems with this company's gauges. I guess I should have ponied up the coins for a decent gauge..