PURGE PORT VACUUM CHECK <134, 135, 3A9, 4A9>




1.Disconnect the vacuum hose with R-mark (stamp) from the purge control solenoid valve and connect it to a hand vacuum pump.
2.Plug the nipple from which the vacuum hose was removed.

3.Start the engine.
4.Check that a fairly constant negative pressure is generated regardless of the engine speed.
5.If no negative pressure is generated, the port is probably blocked and should be cleaned.