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2001 Pontiac Sunfire cooling fan doesnt work

Tiny
ROLYRATTLESNAKE
  • MEMBER
  • 2001 PONTIAC SUNFIRE
  • 200,000 MILES
2001 pontiac sunfire rad cooling fan won't work. Fan, relay, fuse, coolant temp sensor & wiring fine. What's left? When you pull temp sensor connector off, fan kicks in after a few seconds. This model doesn't have AC.? Roland
Monday, June 3rd, 2013 AT 12:29 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
With the fan coming on by unhooking the coolant temp sensor tells me the fan the relay and wiring are good. How do we know the coolant temp sensor is good?Did you test it?Or replace it?Also do you have a scan tool that can read live coolant temp the computer is reading?
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Sunday, December 9th, 2018 AT 8:40 AM
Tiny
ROLYRATTLESNAKE
  • MEMBER
  • 2 POSTS
We replaced the coolant temp sensor and no, we don't have any diagnostic tools at the moment. Roland
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Sunday, December 9th, 2018 AT 8:40 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Which engine do you have?A scan tool that reads live data would really help see whats going on and help diagnose the problem. There pretty cheap on amazon
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Sunday, December 9th, 2018 AT 8:40 AM

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