is it possible that a fuel pump relay can go bad or gradually get weak and not function correctly

2000 KIA SEPHIA
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RIEBED
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  • 111 POSTS
engine cranks but at times will not fire
Aug 29, 2011 at 10:02 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Yes it is possible. Also, the regulator and pump itself could be going bad or there could be a leak allowing pressure to drop. Check the fuel pump pressure and regulator. Directions are on our homepage under the DIY section.
Aug 30, 2011 at 8:17 PM
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