check engine light on 2009 Chevrolet Impala

check engine light came on while driveing and said reduced power. Car seems to be running properly what am I to be consurned about

by in Pella, IA on February 20, 2011
1 answer 1 comment
ANSWER by on March 09, 2011
sometimes check engine lite and traction lite comes on after starting.reduced power.can remove battery cable erases codes and runs fine for about month does same thing on start up again after codes are erased car runs normal.
COMMENT by on June 08, 2011
Was it the battery that needed replacement? Or a new starter or alternator?
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