Pontiac Sunbird 2.0 4cyl. Code 15

Tiny
SWITZEE
  • MEMBER
  • 1915 GMC
I have a Pontiac Sunbird 2.0 4 cyl with 132K.

While running for approx. 2 minutes, the cooling fans both come on, along with the check engine light.

I pulled codes, and found a "code 15" Low Coolent Temp

I've replaced both coolent temp sensors ( The one in the head, and the one in the thermostat housing ).

I've also replaced the thermostat, and the ECU, too.

What am I missing, here?

Thanks much,

S.
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Monday, May 22nd, 2006 AT 3:15 PM

1 Reply

Tiny
LEFORD18
  • MEMBER
I replaced the ECU, and fan relay, and Temp switch. Fan would not come on. Had to replace temp switch again and it worked. Mine is a 1994 with only one fan. The temp switch sends signal to Computer and then through relay on mine. Le ford
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Tuesday, May 23rd, 2006 AT 12:49 PM

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