What could be the problem with my fuel system?

220,147 MILES
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JERMAINECOLLIE
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I've changed my fuel pump to a new one, but now i'm having a problem with rough idling, hesitation and even stalling.
Aug 27, 2011 at 8:36 AM
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JDL
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Were you having a problem before you worked on it? How long since overall tune-up? Any applicable trouble codes? Use a gage and check fuel pressure.
Aug 27, 2011 at 8:47 AM
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JERMAINECOLLIE
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I was having this problem before I worked on it. Have not had a tune up for eight months because I did not use it much.What should fuel pressure be?
Aug 27, 2011 at 9:01 AM
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JDL
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What is your engine litre size?
Aug 27, 2011 at 9:06 AM
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JERMAINECOLLIE
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It is 5.9
Aug 27, 2011 at 9:10 AM
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JDL
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35--45 psi
Aug 27, 2011 at 9:11 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Any mil codes? Sometimes you can get codes by cycling the ignition switch. You cycle the key just till the dash lites come on, no further. Cycle on--off, on--off, on, the the mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes.
Aug 27, 2011 at 9:15 AM
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