There is a factory service bulletin for all the models from 2000 through 2021.What Does the P0442 Code Mean? Diagnostic trouble code (DTC) P0442 stands for “Evaporative Emission Control System Leak Detected (Small Leak)”. A loose fuel tank filler cap is the most common cause that will trigger the P0442 code. I disconnected the … CraigC317 Automotive diploma 287 satisfied customers The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Dan is online now Related Chevy Questions Trouble codes. Chevrolet Repair will code p0442 reset the the light by itself once fixed if… Dan, Auto Technician Satisfied Customers GM Mark of Excellence/ Service Guild Participant with 13 years experience.Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter. The code technically stands for: Catalyst System Efficiency Below Threshold Your Traverse has at least two oxygen sensors, one before and after the catalytic converter. Code are po122 po223 po100 po496 po301 I have done the following replace fuel pump … savannah obituaries P0420 is a OBDII trouble code. This can happen for multiple reasons and a .Chevrolet Traverse 3.6l 2011 won't idle will crank and run short period of time. P0442 is a diagnostic trouble code (DTC) for "Evaporative Emission Control System Leak Detected (Small Leak)".
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