How is an EVAP smoke machine different than a regular smoke machine?
The EVAP system or Fuel Vapor Recovery System is very sensitive to pressure. Most of these systems allow only 15″ of water column pressure or less. (Approximately ½ PSI) Excessive pressure can damage sensitive components within these systems. A good EVAP machine should be pressure regulated at 13″ of water or less. It should also have a pressure gauge to visually verify the output pressure of the machine. Leak determination in an EVAP system can be accomplished with flow comparison, using a flowmeter or pressure decay by locking out the system under pressure and reading the decay on your PRESSURE GAUGE. The Smoke Pro® Total Tech incorporates all of these elements as well as the thickest smoke of any machine on the market today. All Smoke Pro® models are EVAP APPROVED.
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- Why is it necessary to use an OEM EVAP-approved smoke machine in the vehicles EVAP system?
- How is an EVAP smoke machine different than a regular smoke machine?
