1999 Chevy Malibu starting

Tiny
MCMURDYT
  • MEMBER
  • 1999 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 12,000 MILES
When the vehicle sits we go out to start it and it rolls over for several seconds before starting. After it is started it runs fine with no power loss or spitting or sputtering. If we let the car sit for a bit the same problem occurs. I have put in an iac valve and an air temperature but no fix. I have put new spark plugs and wires with no fix. What could the problem be
Sunday, February 28th, 2010 AT 5:17 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Test the coolant temperature sensor and the fuel pump relay
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Sunday, February 28th, 2010 AT 5:55 PM
Tiny
MASTECH01
  • MEMBER
  • 1 POST
I have seen dirty throttle bodys, do this. Clean injection system, But around butterfly mainly. If check engine light is on must repair as needed.
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Wednesday, March 3rd, 2010 AT 6:54 AM

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