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1998 Pontiac Grand Am stariing proplem

Tiny
WIJAY
  • MEMBER
  • 1998 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 230,965 MILES
When my car get heat as mean normal temp after that stop start engine crank very slow I changed new battery starter motor still same proplem I change new ecm too but same proplem pls give some idea
Wednesday, January 28th, 2009 AT 4:32 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are you saying the cranking rpms are good when the vehicle is cold and slow with the vehicle hot?

Are all the battery cables/wires clean and tight on both ends? You may need to do a voltage drop test on the battery cables, cold and hot.

There may be an engine mechanical condition, making the engine hard to turn when hot? Can you tell a difference in the amp draw?
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Thursday, January 29th, 2009 AT 6:54 AM

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