Having problems with your 1999 Pontiac Grand Am GT ?

99 pontiac grand am se 6 cyl. Few days ago car refused to start. Would try to turn over but wouldnt get there. Checked plugg wires and made sure they where clean and well connected. Started afterwards. Yesterday it sarted misfiring BADLY on startup but would even out after driving for a bit. Now. itll start then right away turn off. It will only run if I leave my foot slightly on the gass during startup otherwise itll refuse to start. Problem is getting WORSE. please help.

Posted / edited by AnonymousUser on : 19-03-2018

Answers :

I would start by checking the throttle position sensor. It can be ohmed out with an analog multimeter to see if there are any dead spots in it. You might also check the fuel system pressure to see if the pump is intermittent.

Hope this helps.
Repair Help & Product Troubleshooting for 1999 Pontiac Grand Am GT

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: 0.0085 seconds