Alright.... You have been told at least half a dozen times by at least as many different people, that you need a mechanical gauge in there to tell you whats really going on, and that your sender is probably junk. Now you are getting impatient with us. Take it easy. At NO point did you mention that this has been going on for two years. Sorry, I must have failed my mind reading class. Read what has been posted repeatedly and move on. Either take the advice or dont, but dont expect a different solution from the same group of guys that you just told that they cant read. Especially something that was never written.