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Fuel is leaking out the fuel injector hole

Fuel is leaking out of the fuel injector hole

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This is one problem that shouldn't be ignored; have already replaced a cable harness that melted when the leaky injector caused a fire under the hood.
The site linked below has been the most reasonable place to buy injectors with some of their prices on identical items coasting 40% less than elsewhere:
5.0 Motor Sports

Posted on Apr 19, 2009


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Posted on Jan 02, 2017


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I am looking to replace a leaking fuel injector rail for 1993 fifth ave chrysler new yorker p/n 4554109

The rail is most likely not the problem, the fuel injector "O" ring seals are likely the problem in the rail.

Mar 04, 2017 | Chrysler Fifth Avenue Cars & Trucks

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My 1992 nissan terrano blows to much black smoke .how to fix this .some say i have unbirt fuel?

if diesel and turbo , check turbo operation of for holes in the intercooler
if turbo or naturally aspirated check/ replace injector tips as black smoke indicators squirting and not atomizing
if petrol check for excessive fuel pressure, faulty injectors , leaking injector seal
regardless of petrol or diesel --black smoke indicates incorrect air / fuel ratio ( too much fuel) so injectors, intercooler, bad turbo or blocked air cleaner are all candidates for the fault

Dec 04, 2016 | Nissan Terrano Cars & Trucks

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Why do I have a fuel leak at the bottom of injector pump at the drain hole ?

The drain hole is doing its job of getting rid of excess fuel.
A deisel service shop will be required to service the pump so it is not probucing excess fuel or there are seals inside the pump US

Aug 03, 2015 | Cars & Trucks

1 Answer

Fuel going into Crank Case on my 2010 Suzuki

leaking injector, find out which cylinder.?
you look in to spark plug holes to do that......
then diagnose the failing injectors, (3 ways to fail)
1: injector leaking.
2: wires shorted at inj.
3: ecu/pcm failure.

Sep 15, 2013 | 2010 Suzuki SX4

1 Answer

I have a F350 diesel non- tubo with a fuel leak in back at top. replaced o ring at back injector and replaced all hose clamps but still bad runing leak. What next?

This engine has fuel lines that run to each injector from the injector pump. On the older Fords they touch each other in places. This constant vibration from the engine has caused a pin hole in one of your fuel lines to the injector. You will need to find the bad line. Can be hard as some of these are buried and hard to see. The replacement line will need to be purchased from Ford as each fuel line has to be a certain length and they are all high pressure lines. I have seen this many times in the older Fords.

Apr 05, 2012 | Cars & Trucks

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

2 Answers

Have a fuel leak under front of car

I would trace fuel lines from tank to fuel rail on motor. These are high pressure lines so do not try to quick-fix them. You will have to measure the lines and replace them if they are leaking. Unless the fuel is leaking from lines by fuel rail or by fuel filter.

May 22, 2009 | 1993 Ford Mustang

2 Answers

Fuel injectors

When you install new fuel injectors or are replacing the o rings, apply some lubricant to the o rings to allow for easy installation. I like to wet them with PB Blaster before I put them on the injectors. Also before you remove the injectors, blow out the area around each injector and the whole top of the engine with compressed air through a narrow wand (it gives you a very high velocity air blast that will remove all the impurities from the injector areas to keep them from getting into the engine when you pull out and install the o rings. I like to start at one side of the engine and work my way to the other and after that do a good overall blasting of the engine with compressed air to make sure all the sand and whatever else is out of where you are working. (Be sure to wear safety goggles when doing this procedure and at all times when working on a vehicle). When installing injectors, be sure to have all of them lined up with the holes and press evenly and firmly (you may have to wiggle the fuel rail a bit to get the injectors to go into the holes). Be sure to install all the fuel rail bolts and tighten them to specification. Turn the key on but do not start the engine to verify the injectors are not leaking. If you still have a leak, you may have a cracked injector body or a seal leaking on an injector.

Hope this helps


Apr 13, 2009 | 1997 Chevrolet Cavalier

1 Answer

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.

Jul 12, 2008 | 1997 Pontiac Sunfire

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