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Old 11-23-2000, 07:38 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The 1990 California emissions cars use the same system as later LH fuel system cars(for monitoring). The air injection & EGR is monitored thru the O2 sensor & the ignition system(map sensor in EZL). Could be as simple as broken vacuum line from electro-switchover valve to diverter valve. Many Calif cars had a recall on the EGR code 16.

[This message has been edited by M.B.DOC (edited 11-23-2000).]
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