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What does obd code P0442 mean on a Ford Taurus and what needs to be repaired?
Wiki User
∙ 16y ago
p0442 - Evaporative emission control system, small leak detected. Check fuel cap, make sure it clicks when tighten. I'm working on a 2000 Taurus. P0442 EVAP Control System Small Leak Detected Possible Causes Setting Conditions * Aftermarket EVAP parts that do not conform to specifications * CV solenoid stays partially open when commanded to close * EVAP component seals leaking (i.e., leaks in the Purge valve, fuel vapor control valve tube assembly or fuel vapor vent valve) * Fuel filler cap damaged, cross-threaded or loosely installed * Loose fuel vapor hose/tube connections to EVAP components * Small holes or cuts in fuel vapor hoses or EVAP canister tubes Cold engine startup (ECT sensor less than 90�F), engine running in closed loop at a steady cruise speed, and the PCM detected a leak in the EVAP system as small as 0.040" in the EVAP Monitor test.
This code sets in 2 Trip(s).
Wiki User
∙ 16y ago
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