1994 Dodge Intrepid starting

Engine Mechanical problem
1994 Dodge Intrepid 6 cyl Front Wheel Drive 192720 miles

if the car is cold you have to roll it over for a long time with the starter than it will filly start sum times so long it kills the battery. However if it is already up to operating temp it will start right up
the check engine light is on to I have dis connected the battery to reset it but the check light is still on what is this problem thank you. P, s it is a average of 35 degrees f Out side right now whaer I live im MI