MAZDA: PURGE VALVE CONTACT/HARD RATTLE NOISE. SOME VEHICLES MAY EXPERIENCE A RATTLE OR A LOUD TICK NOISE FROM THE ENGINE COMPARTMENT DURING PURGE VALVE OPERATION (THE NOISE IS LOUDEST DURING 30%-60% DUTY CYCLE). THIS MAY BE A HARD CONTACT NOISE CAUSED BY MISALIGNMENT OF THE PURGE VALVE, RUBBER GROMMETS, OR ATTACHING HOSES FORCING CONTACT WITH THE PCM, PCM BRACKET, METAL BRACKET OR AN EXCESSIVE VALVE TICK NOISE. *PE
