» » »

Hummer Q&A

Ask Your Question

2006 Hummer H3 Question: Check engine light comes and goes at random



Visitor, Oceanside, CA, May 18, 2010, 13:33

Check engine light comes on for a short time and goes off. This happens at random.

1 Answer
Flag This
  • Answer #1

    Visitor, March 17, 2011, 09:02

    Had that same problem and now it finally came on all the time. I am told it is my Coolant Temp Sensor. I was told to check my Coolant levels because that could cause the problem.

    Flag This