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One to two days of the month then die frequently

Tiny
SPARKS1970
  • MEMBER
  • 1989 JEEP WANGLER 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?
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Saturday, September 17th, 2011 AT 6:53 PM

3 Replies

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 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
  • 2 POSTS
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
  • MECHANIC
  • 3,380 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;

https://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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