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1989 Oldsmobile Cutlass coolant system

Tiny
89_CUTLASSSUPREME
  • MEMBER
  • 1989 OLDSMOBILE CUTLASS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
I have a 89 cutlass supreme when I bout it the engine light was on I replaced the upper intake manifold gasket both coolant temp sensors/sender the pigtail wire for the sender and the thermostat.
The engine light is now off but everytime I drive anywhere no matter the distance the temp light comes on. Anyone kno what could be wrong?
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Tuesday, July 7th, 2009 AT 11:10 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Does the engine actually overheat?
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Monday, August 10th, 2009 AT 12:27 AM
Tiny
89_CUTLASSSUPREME
  • MEMBER
  • 2 POSTS
No it reads around 216 then one of the fans kicks in. I was told that thats ok. But I am wondering why the light stays on.
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Tuesday, September 29th, 2009 AT 10:17 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Actually, that is getting hot, but not hot enough to set a light. You may want to try replacing the temp sending unit. It may be causing the light to come on too soon.
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Tuesday, September 29th, 2009 AT 10:27 AM

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