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P0442 Diagnostic Trouble Code Discussion for December 2020

EVAP System Small Leak Detected

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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2001 Chevrolet Astro LS 4.3L MIL Lamp on VIN: 1GNEL19W21
P0442: EVAP System Small Leak Detected. ... having it start and run perfectly we delivered the vehicle only to have it come back a couple of days later not starting. Started it but it ran rough for a bit and since then has started fine every time. The vehicle now has codes P0442 and P0452. It wo...
December 16, 2020