P0442 P0455 P0457 EVAP Leak Ford Mustang – Smoke Machine

2004 Ford Mustang EVAP Codes pulled with Genisys Scan Tool

Evaporative leak codes can be caused by broken fuel vapor lines, gas tank seals leaking, EVAP canister cracked, etc. EVAP codes can be some of the most difficult fault codes to diagnose. After pulling codes and checking the obvious by doing a quick visual inspection, to verify it’s not just a loose gas cap you’re dealing with. Bring out the smoke machine, it’s a great auto specialty tool that is really a necessity in any automotive repair shop today. In addition to checking for EVAP leaks, it can also be used to check vacuum leaks for lean codes and exhaust leaks that aren’t quite so easy to pinpoint.