Identifying new models for human eye diseases By Sara Cassidy, M.S., Ph.D. Although it is difficult to measure the impact of chronic conditions like eye disorders, Prevent Blindness America estimates that eye disorders and vision loss cost $139 billion in 2013, placing these conditions among the most expensive health disorders in the US.
Curing deadly engine vacuum leaks. Vacuum leaks can be located with spray carburetor cleaner or a can of WD-40. If the area is obstructed by linkage or hoses, use an extension nozzle to pinpoint the area of the vacuum leak.
How to Correct. Wrong pressure switch setting or setting 'drift'. Lower switch setting. If pump shuts off, this was the trouble. Adjust switch to proper setting. Defective pressure switch. Arcing may have caused switch contacts to 'weld' together in closed position.Examine points and other parts of switch for defects.Replace switch if defective.rong pressure switch setting or setting 'drift'. Lower switch setting. If pump shuts off, this was the trouble. Adjust switch to proper setting. Defective pressure switch. Arcing may have caused switch contacts to 'weld' together in closed position.