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air mass, oxygen sensor, computer ??? 700 1989

posted by  FitzFitzgerald on  Tue Nov 25 16:36 CST 2003
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last visit: Wed Jun 25 23:15 CST 2014
[RELATED]

You may have a temp sensor that is reading high or low and thus the car is using an improper fuel mixture. Aside from that, double check your IAC Valve for proper operation (make sure the new unit is working ok).

Otherwise, I'd suspect a vacuum leak or a Fuel Pressure Regulator that's starting to leak a tiny bit...

God bless,
Fitz Fitzgerald.
--
'87 Blue 245, NA 228K






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