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Vehicle: 2002 HOLDEN OPEL ASTRA 1.8LTR

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P0111= Intake air temp sensor-(Signal/Open cct).

It could the sensor fault itself or wiring.

p1985= CVT driven pulley pressure control valve malfunction.-Caused by

solenoid valve failer-control line open-control line short-ground line open

try to check all the connections to transmission-Charging system-Throttel cleaning.

good luck

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