INTERMITTENT EXTENDED CRANK BEFORE STARTING on 2005 Chevrolet Cobalt SS

SOMETIMES CAR STARTS RIGHT UP OTHER TIMES YOU CAN CRANK IT FOR 20 MINUTES BEFORE IT STARTS. HAS NO FAULT CODES, 55LBS OF FUEL PRESSURE SPARK AND INJ. PULSE GOOD DURING NO START CONDITION HAD CRANK SENSOR RELEARN DONE BUT DID NOT HELP ANYBODE GOT ANY IDEAS?

by in Sewickley, PA on April 08, 2011
1 answer
ANSWER by on April 08, 2011
Yes, the anit-theft system may be malfunctioning. Do you ever see a flashing green icon of a key while your cranking the motor. Also , check your cam sensor, because it correctly times the spark and pulse.