1999 Pontiac Grand Am

1999 PONTIAC GRAND AM
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QUIANAR
  • MEMBER
  • 7 POSTS
Engine Mechanical problem
1999 Pontiac Grand Am 6 cyl Automatic 102000 miles

i had intake gaskets head gaskets and one cylinder head replaced cause my intake gaskets were leaking and blew my head gaskets and oil and antifreeze mixed can u tell me why when i kept on losing the antifreeze the light never came on to let me know it was low and my check engine light never came on even wit all the head and intake gasket problems could it be not plugged up or how does that work
Oct 7, 2010 at 10:37 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
hard telling why the lights didn't work. the check engine light goes on for sensors. there is one sensor for the computer and another for the gauge or light if you have one. as long as fluid was passing by the sensor had to be reading it.
Oct 9, 2010 at 8:41 AM
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