Service: found fuel delivery system not opening during ignition sequence. Flipped on off switch multiple times, fuel delivery system worked everytime after flipping switch multiple times. Exaust removal system rated 2.8 amps actual is 2.6. Glow bar .3 amps. Static pressure .6inWC. Indoor heat exchange system has no areas of concern. Leak searched indoor coil and found no leaks. If the system stops working again recommend replacing fuel delivery system. Outdoor refrigerant pumping system passed megaohms test.