Hello all wanted to pass along my expierence I have Had,in 38 years as a hvac and small appliance repair.The kiss theory is keep it simple stupid.My recent example,I was attempting to start my sons car knowing fuel gauge about 1/8 tank,would not start.All manor of possible problems are going through my head.Long story short grabbed my fuel can put gas in tank car started right up fuel gauge is not accurate.Next is assume anyone notice what the fist three letters of assume is?When ever possible try and confirm problem.Here is the hitch I have at times could not find the root cause but from expierence I have made educated guessed.All equipment and machinery have their glitches as service dept. Vic can confirm.