D Don E Guest Oct 7, 2008 #2 PO442 is a small leak detected in the emission evap system or a vacuum leak.Check for bad vacuum hose especially where the vacuum hose connects to the vacuum control solenoid for a leak their.Could also be a bad seal on the gas cap or loose gas cap.
PO442 is a small leak detected in the emission evap system or a vacuum leak.Check for bad vacuum hose especially where the vacuum hose connects to the vacuum control solenoid for a leak their.Could also be a bad seal on the gas cap or loose gas cap.