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94 325i temp gauge says its overheating, check engine light comes on, but coolant is full?

Tiny
DANTOLMAN
  • MEMBER
  • 1994 BMW 325I
  • 120,000 MILES
After light driving of 10 minutes the temp gauge goes right to red. The second time it happened the check engine light came on. I checked the coolant, it seems to be full. Is this a sensor or what am I looking at here, thank you.
Sunday, April 15th, 2012 AT 2:07 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
If the coolant is full and does not seem to be bubbling or pressurised, it most probably is a sensor fault. You would need diagostic tools to check for trouble codes to find what if the MIL turning on is related to this.
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Sunday, April 15th, 2012 AT 5:47 AM

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