Question about 2002 Chevrolet Impala

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Replace fuel rail

Fuel rail repair. My 2002 Chevrolet Impala is leaking fuel from the top of the manifold. I was told it was the fuel rail, but i do not know what it looks like. I do know here the fuel is leaking from.

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Check fuel inlet and return lines for leaks.also check for leaks at fuel pressure regulator and fuel injectors.

Posted on Dec 13, 2009

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Posted on Jan 02, 2017

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2 Answers

Issues with the fuel rail. injectors will not set back in place


wipe off all o-rings well and apply vasoline to them all to ease install. I push down on rails in a circular motion to get o-rings to slide into place.

May 21, 2014 | 2002 Chevrolet Impala

1 Answer

Gas& oilleak 03impala3.8 on top of manifold and under engine


CHECK FUEL LINE CONNECTOR ON FUEL RAIL WITH KEY ON MOVE SLITELY SIDE TO SIDE ,BE CAREFUL WEAR SAFETY GOGGLES AND PROPER CLOTHING
WATCH FOR SPRAYING FUEL OR DRIPPING FUEL
ALSO CHECK AROUND INJECTORS FOR SEAL LEAKS
THEN IF THATS OK CHECK FUEL PRESSURE REGULATOR FOR FUEL IN VACUMN LINE
IF THATS OKAY CHECK FUEL LINES , THE IN LINE AND THE RETURN IF THERE IS ONE

Feb 02, 2013 | 2004 Chevrolet Impala

1 Answer

Need to replace the fuel pump on 2002 chevy impala


There are two ways. One is to pull the fuel pump fuse or relay and run the engine until it stalls out. The second is to open the Schrader valve at the end of the fuel rail and bleed the pressure off. This is messier and will cause some fuel spillage, so have a rag ready to catch it.

Dec 11, 2011 | 2002 Chevrolet Impala

1 Answer

Gas leaking from a silver metal tube in engine next to throttle.


You need to have this repaired immediately. It's not too expensive, just an o-ring at the end that goes into the fuel rail. It is very dangerous to have fuel leaking in the engine compartment, don't delay.

Mar 03, 2011 | 2004 Chevrolet Impala

1 Answer

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

2 Answers

2002 Blazer, where is fuel pressure regualtor? Easy to replace? Hunch it maybe leaking.


it is on the fuel rail that sits on top of injectors and supplies fuel to the injectors, and yes it easy to replace and very cheap to buy. see photo below


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Feb 03, 2010 | 2002 Chevrolet Blazer

3 Answers

Strong smell of gas on cold startup


I have a 2002 Impala, and on cold days on the first start of the day had strong fuel smell. I troubleshot the problem to the fuel pressure regulator on the fuel rail was leaking around the seams. I replaced the regulator and have had no problems since. Hope this helps.
Chad

Aug 04, 2009 | 2003 Chevrolet Impala

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