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1992 Pontiac Firebird coolig fan wont run

Tiny
RETAILMAN
  • MEMBER
  • 1992 PONTIAC FIREBIRD
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 133,000 MILES
Hi, I bought a new ecm, or ecc module, but my cooling fan ran at the right time before I bought it. Now it doesnt run and I was wondering if anyone knew anything about it?
Friday, September 4th, 2009 AT 9:02 PM

5 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Have you reprogammed the new ECM that was installed? Was this ECM a brand new item or a used item from a different vehicle?
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Friday, September 4th, 2009 AT 10:19 PM
Tiny
RETAILMAN
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  • 4 POSTS
No this ecm is for this vehicle, and is new from a autozone store. But I took the chip out of the other ecm and put it into the new one, so it should have the same programable memory?
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Saturday, September 5th, 2009 AT 6:28 PM
Tiny
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  • MECHANIC
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Ok. Have you already inspected the fuse and the cooling fan relay? Does the fan come on with the A/C (if equipped) switched on?
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+1
Sunday, September 6th, 2009 AT 12:26 AM
Tiny
RETAILMAN
  • MEMBER
  • 4 POSTS
No the cooling fan does not come on if I turn the a/c on. Yes I checked the fuse and its a.O.K. When I hook my actron code reader in, the fan kicks on.
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Sunday, September 6th, 2009 AT 9:00 AM
Tiny
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  • MECHANIC
  • 16,542 POSTS
Since the basics have been tested OK, you will need to perform the following tests to determine the cause of this issue.


https://www.2carpros.com/forum/automotive_pictures/261618_Noname_940.jpg



https://www.2carpros.com/forum/automotive_pictures/261618_Noname2_255.jpg

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Monday, September 7th, 2009 AT 11:05 AM

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