What is a purge valve on a Ford F-150?
What is a purge valve on a Ford F-150? The purge valve allows stored fuel vapors in the charcoal containment canister to be sent back into the engine to be burned when necessary. When did Ford Transmissions fail to hold in Park? In January, 1980, the Center sent NHTSA a copy of a Ford internal memorandum dated June 30, 1971, allegedly showing a flaw in Ford automatic transmissions allowing the shift lever to be improperly placed, although to the driver the slotting appeared proper. On April 11, the CAS petitioned for the discharge of a decision in the park-to-reverse case....