What could cause the check engine light to come on during cold weather start? on 1990 Subaru Loyale

Have to keep foot on the gas pedal for several minutes to keep it running until the check engine light goes off.

by in Kansas City, MO on December 02, 2012
1 answer 2 comments
ANSWER by , December 02, 2012
Have it scanned for codes.
COMMENT by , December 02, 2012
Thanks. I understand that. I was just trying to see if anyone else has had a similar issue and what they might have replaced.
COMMENT by , December 03, 2012
GUESS= coolant temp. SENSOR. Scan test will find out. Needs to be performed with eng. cold.