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fuel rail orings?

 
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billy101
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2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Tue Apr 17, 2012 11:06 pm    Post subject:  fuel rail orings? Reply with quote

I can't keep fuel pressure after leaving the car sitting for a little while. I think I found the issue. The rear connection from the fuel line to the rail, if you wiggle the connector fuel will drip out of it which is where I think I'm losing fuel pressure. If I turn the key to ON and let it prime and then start it will have no issue. If I go directly to START without letting it prime at all, it will give me a very long crank as it's building pressure.

The leak is most concerning, it doesn't leak unless I move it, but that is still a fire hazard. Are there orings I can replace in these lines/connectors??


Thanks!

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2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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richp04impala
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PostPosted: Tue Apr 17, 2012 11:23 pm    Post subject:   Reply with quote

me and you both lol but I have no visual leaks, theres an oring from the FPR to the rails but I do not remember there being one to the return line, it just screws in. You should try tightening the connector first
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billy101
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2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Tue Apr 17, 2012 11:38 pm    Post subject:   Reply with quote

I'm talking about the lines coming from the fuel pump going into the fuel rail. My rear connection is obviously where I'm losing pressure.

An oring in the actual FPR housing that goes to the rail? I replaced the FPR awhile ago because I was running extremely rich and was running like overall s**t.

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2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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richp04impala
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PostPosted: Wed Apr 18, 2012 1:32 am    Post subject:   Reply with quote

in that case there is nothing i just replaced the fuel pump on mine and its just the quick connector clip that holds the line in, maybe try replacing it so you'll have a tighter fit
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Frank
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PostPosted: Wed Apr 18, 2012 11:28 am    Post subject:   Reply with quote

They do sell the tabs separately, however, I would say get a fuel pressure gauge to try to figure out the issue. Smile

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billy101
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2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Wed Apr 18, 2012 5:23 pm    Post subject:   Reply with quote

I'm going to have my dad bring home a fuel pressure gauge one day so we can figure it out. It may be a sticking injector causing cylinder leak down when the car is turned off

_________________
2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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VictoryRed09
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PostPosted: Wed Apr 18, 2012 5:44 pm    Post subject:   Reply with quote

Billy101

If the Injectors are not leaking . it might well be the O ring on the Fuel inlet connector. Seems many develope a slight leak around the o ring in the connector. This has been asked and answered several times .

but basically .. You can get the "o" rings at Autozone or other places in a variety pack for $7. Dig out the old o ring and replace it. ( my favored solution)

or do like others and Cut the fuel connector off and clamp in a replacement connector . ( not my favorite idea)

Search the Forum and you will see several post concerning this topic with more details on how to do the job.
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