CHECK ENGINE LIGHT KEEPS COMING ON WITH THE RESEVOIR IS LOW ON COOLANT

  • Tiny
  • AnetteKing
  • 1998 Ford Explorer
  • 99,000 miles

As long as I keep the reservoir filled, the light won't come on. But if the coolant gets too low, the check engine light comes on. I had a leak in the radiator and fixed it with stop leak, but the reservoir goes low at least once a month, provided that I forget to fill it. Is that supposed to set off the check engine light?

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Monday, April 9th, 2012 AT 6:42 PM

3 Replies

  • Tiny
  • djcl
  • Expert
  • 786 posts

What is the code that you are getting. It could it the engine temp is off.

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Monday, April 9th, 2012 AT 6:56 PM
  • Tiny
  • AnetteKing
  • Member

I haven't had a diagnostic run on the car yet so I don't have the code info. I can only tell you what happens when the light comes on, meaning that when I refill it, and get the light turned off, it doesn't come back on again until the coolant runs low like that again. So at this point the diagnostic is probably needed. Thanks.

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Monday, April 9th, 2012 AT 6:59 PM
  • Tiny
  • djcl
  • Expert
  • 786 posts

Good luck

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Monday, April 9th, 2012 AT 7:07 PM

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