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 Check. If the EVAP system is properly sealed, the most common cause of leak can be in the gas cap, purge valve, vent valve, and connectors and hoses. With this error code, the first thing you need to check is the gas cap. If the gas cap is loose or open, then close it tight.