Question about 1997 Chevrolet Cavalier

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I have a leaking fuel injector, i just replaced the o rings but still leaks

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  • Chevrolet Master
  • 540 Answers

I have had the seal go bad internally before and make it spray right out of the connector, also have had them leak right out of the body due to a split seam which might not even be visible, might be time to just put a new one in and make sure to lube the orings well when re-assembling

Posted on Nov 12, 2010


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Posted on Jan 02, 2017

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SOURCE: injector fuel line leak

Unscrew it and replace the "O" ring at the fitting. These "O" rings like to get old and crack.

Posted on Jun 23, 2008

  • 80378 Answers

SOURCE: R and R fuel injectors

About 2 hours if you are talented in auto repair. Remember to put oil on the new O rings before you reinstall injectors, also clean out the injectors port holes.

Posted on Aug 28, 2008

  • 6784 Answers

SOURCE: fuel injectors leaking

try replacing the whole injector. that should fix that leak.

Posted on Feb 04, 2009

  • 35 Answers

SOURCE: fuel injector o rings leaking

not very hard and takes about 2 hours if you havent done it before i would say

Posted on Mar 02, 2009

  • 202 Answers

SOURCE: Fuel injectors leak at fuel rail

Get some new O-rings, and this time put oil on them before you insert them into the fuel rail. The regulator is alright.The problem is that the o-rings can roll up, or twist when push em in dry. Had this problem once, easy fix, but was frustrating.

Posted on Mar 30, 2009

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My 1990 ford f150 is leaking gas out of one of the fuel injectors when I picked it up from getting a transmission put in what could be the problem?

Probably a failed injector O-ring that seals against leaking. Maybe it got jarred while replacing the transmission. Should be two O-rings per injector, one at top and one on bottom.

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Gas line leaking by engine how do repair that?

Where is it leaking? If its at the fuel rail fuel pressure regulator you may need a new regulator if leaking on the metal part. If its leaking at the rail side its just the "O" ring. Relieve fuel pressure(push in valve under plastic cap right side beside alternator on rail. Remove the torx screw holding regulator bracket. Pry out and replace "O" ring, reassemble. If its not the regulator it may be a fuel injector, you need to remove the fuel rail and replace both the upper and lower injector "O" rings. This however needs the intake manifold removed to repair.

Jan 29, 2011 | 2002 Buick LeSabre

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I have fuel leaking from the fuel rail at the 2nd injector from the front. The leak seems to be coming from where the metal of the fuel rail conects to the plastic....

Maybe an O-ring is leaking. Try a new injector that comes with an o-ring to be sure it's not the injector itself.
Fuel Injector - for V8


  1. Before servicing the vehicle, refer to the precautions in the beginning of
    this section.
  2. Relieve fuel system pressure.
  3. Remove or disconnect the following:

    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clips
    • Fuel injectors

    To install:

  4. Install or connect the following:

    • Fuel injectors, using new O-rings
    • Fuel injector clips to the fuel rail
    • Fuel rail
    • Negative battery cable

  5. Start the vehicle and check for leaks, repair if necessary.

Oct 30, 2010 | 2002 Jeep Grand Cherokee

2 Answers

I have a 1997 chrysler concorde with a 3.5 liter engine and i am experiencing a leak from one of my fuel injectors.I replaced the o rings and it still has a slow leak from the injector. The engine is...

when you say its leaking,and you replaced the O ring,are you seeing a fuel leak,if so where at?
is it coming up from O ring or the injector its self ?
did you remember to clean the hole where the O ring seats.

Jan 22, 2010 | 1997 Chrysler Concorde

1 Answer

Fuel injectors leaking

try replacing the whole injector. that should fix that leak.

Feb 04, 2009 | 1997 Pontiac Sunfire

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Dont replace just one O ring on the injectors. You need to replace all when you replace them. It sounds like you still have O ring leaks.

Jan 19, 2009 | 1992 Honda Accord

2 Answers

Leaking fuel Injector

You must use silicone grease

Dec 02, 2017 | 1989 Jeep Comanche

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