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P0442 Diagnostic Trouble Code Discussion for February 2019

EVAP System Small Leak Detected


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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2009 Chevrolet Silverado 1500 WT 4.3L MIL Lamp on VIN: 1GCEK14X39
P0442: EVAP small leak. ... several months with a P0442. Both times I smoked tested, but had difficulty seeing the smoke on top of the tank. But I could definitely hear the leak. The retaining ring on both trucks were so heavily swelled with rust that it cracked the lip of the f...
February 11, 2019