
If there is no airflow, replace the PCV valve.
Fig. 30: Identifying PCV Valve
Courtesy of MAZDA MOTORS CORP.
WARM-UP THREE-WAY CATALYTIC CONVERTER (WU-TWC) INSPECTION
[LF]
1. Connect the M-MDS or equivalent and monitor PIDs as following.
Monitor the WU-TWC using O2S11 PID for upstream HO2S and O2S12 PID for downstream
HO2S.
NOTE:
Make sure that no HO2S DTCs have been detected. If detected, this
inspection is not applicable for WU-TWC inspection.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Emission System - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:38:04 PM
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© 2005 Mitchell Repair Information Company, LLC.