2012 Chevy Silverado EVAP fuel vapor leak

Bernie Diagnostician New Mexico Posted   Latest   Edited  
Case Study
ATS - Automotive Test Solutions
Driveability
2012 Chevrolet Silverado 2500 5.3L (0 LMG) 4-spd
Evap Large Leak And Small Leak Dtc

Here is a case study that I have just completed. This is a vehicle that has been returned to the shop 4 times for an EVAP leak code. Its warming up around the country which means these fuel vapor tests will start running and failing, Here are several testing tips that I hope help.

diag​.​net/file/f6q35rqv5…

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Glenn Owner/Technician
Texas
Glenn
 

Thanks Bernie,

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Rick Technical Support Specialist
Missouri
Rick
 

Bernie, Great Job as always well done.

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Justin Mechanic
Tennessee
Justin
 

[REMOVED]

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