Having problems with your 2003 Hummer H2 ?

Car loses power

\015 Check engine light flashes on and off and the car loses power when this occurs generally only happens up a long or steep hill or at a higher speed.\015 Posted / edited by AnonymousUser on : 16-10-2017

Answers :

When the check engine light is flashing that indicates an engine misfire, which is catalyst damaging. Because you said that it generally only happens up a long hill or at higher speed, and it doesnt happen all of the time, most likely you are in need of a full tune up.
Repair Help & Product Troubleshooting for 2003 Hummer H2

Tips for a great answer:

- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.

Suggested Questions/Answers :

Loading ...

  • Start your question with What, Why, How, When, etc. and end with a "?"
  • Be clear and specific
  • Use proper spelling and grammar
all rights reserved to the respective owners || www.carrestorationshop.com || Terms of Use || Contact || Privacy Policy
Load time: 0.0107 seconds