ONE TO TWO DAYS OF THE MONTH THEN DIE FREQUENTLY

  • Tiny
  • sparks1970
  • 1989 Jeep YJ
  • 155,000 miles

89 jeep yj. Runs great until it will pick one to two days of the month then die frequently. Within a few minutes to an hour it will refire.I have replaced the ignition coil, module in dist, plugs and wires, cap, rotor. What should I check or replace next?

Saturday, September 17th, 2011 AT 6:53 PM

3 Answers

  • Tiny
  • DrCranknWrench
  • Expert
  • 3,458 posts

Check the fuel pressure. The fuel pump may be failing.

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Saturday, September 17th, 2011 AT 7:16 PM
  • Tiny
  • sparks1970
  • Member

It has good fuel pressure. I failed to mention that it looses spark when it dies. Would this be an issue with the ignition moduel?

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Saturday, September 17th, 2011 AT 7:33 PM
  • Tiny
  • DrCranknWrench
  • Expert
  • 3,458 posts

I am going to give you a link to ignition systems. It is a good walk through and has links at the bottom to walk through testing specific parts. You may also search the site yourself to find past Q&A specific to your situation.

Here is the link;

http://www.2carpros.com/articles/how-an-ignition-system-works

I hope this helps.

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Sunday, September 18th, 2011 AT 1:35 AM

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