how many miles before fuel pump craps out ?? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-16-2005, 02:06 PM   #1
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Default how many miles before fuel pump craps out ??

My 98 has 175K never chgd the fuel pump. It has about 38 psi pressure and I always keep above 1/4 tank and chg filter every year. Is it possible that it could last another 25k miles ??
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Old 11-16-2005, 02:12 PM   #2
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It might. It might also make another 100k. It might crap out yesterday, too. There is no benchmark, and far too many variables.
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Old 11-16-2005, 02:15 PM   #3
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I changed out mine at 120K on my 99 this past summer.

It wasn't dead, but I was getting sluggish aceleration. I was only getting ~37 lbs. of pressure at the rail. And it would drop when I rapped on the gas. Now that I have the new pump I'm getting ~ 42 lbs. that'* constant.

IMO, I would change your pump. That'* a lot of miles on one pump. So, if you'll have to do it sooner or later, you might as well do it now instead of getting stuck on the side of the road.
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Old 11-16-2005, 02:33 PM   #4
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I just changed mine out at 223,500 miles on the SSEi, My SSE was changed at about 150,000
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Old 11-16-2005, 02:33 PM   #5
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Just did my SSEi at 112k, and the SLE is coming due soon at 115k.
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Old 11-16-2005, 04:04 PM   #6
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I'm at 210K on what is believed to be the OEM unit.

That'* the next thing on my list to change.
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Old 11-16-2005, 05:51 PM   #7
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Default pump

did you guys install OEM pumps?
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Old 11-16-2005, 05:57 PM   #8
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Default Re: pump

Quote:
Originally Posted by SSEBONNE4EVA
did you guys install OEM pumps?
I was in a bind and could only get ahold of a pump from an AutoValue store. It'* a Carter pump, which is part of Federal Mogul. It was a perfect plug and play, and the pump, strainer, and filter only cost $150 w/tax. That is about what you would pay for an ACDelco from GMPD but I couldn't wait for shipping.
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Old 11-16-2005, 05:58 PM   #9
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I'm at 155,000 on the 97 SSEi, have 44lbs at idle and 60lbs at WOT.. varies with pedal in between.

Test the pressure again and rev it a little..see if the pressure remains constant, goes up and holds steady or drops.

Anything but drop, I wouldn't worry about.
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Old 11-16-2005, 06:35 PM   #10
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Default ok

Just rechecked, it goes to 42 psi at idle and jumps over 50 when rapping the pedal
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