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Fuel leak when engine tuned off

When engine is running you won't find deisel fuel leaking but after turning engine off it s got a drip around middle to back of engine everything is fine apart from having fuel on my drive overnight

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What type of vehicle do you have?
Check your fuel rail and injectors. You may have an O ring leak on the fuel rail that is evaporating when the engine is hot.

Posted on Nov 27, 2014

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  • mariae090 Nov 27, 2014

    Range rover td6 05



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 1999 ford f250 7.3 diesel, leaking fuel out of the drain tube from the fuel filter

Replace the drain valve. They leak all the time.

Posted on Oct 16, 2008

  • 1 Answer


A very simple and inexpensive solution to this dilemma is to replace the fuel filter. Sometimes they get particles in the fuel system that get caught up in the filter, and plug it up. They are generally inexpensive, and the change takes less than half an hour. If you are mechanically inclined, you can even do it yourself. Buy a Haynes manual specific to your car, and you can learn to do the simple things yourself, saving a ton of money! It is worth the effort.

Posted on Jan 30, 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

  • 56 Answers

SOURCE: Dodge Ram1500 2001 5.9 Engine , Runs Rough after 2

Check the fuel pressure with a known good gauge - sounds like pump may be failing. Does it only run poorly if it's below 1/2 tank or all the time?

Posted on Jul 02, 2009

  • 23 Answers

SOURCE: coolant leak on back side of engine. 94 susuki sidekick 4cyl 4x4

The back side of the cylinder head has metal fitting/pipe connected to a hose that goes to the heater system inside the cabin, the hose sometimes cracks off just behind the clamp holding it to the metal fitting/pipe.

Posted on Aug 02, 2009

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1 Answer

Fuel leak range rover td6 vogue from middle to back of engine after being parked up .called rac they could find where it was coming from

sounds like fuel line or injectors ..remove covering to expose lines and injectors and clean area good then start car and look for leaks of gas......try not to drive it during this test if possible.

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1992 Dodge Truck Dakota 2WD 3.9L FI 6cyl. Leaking fuel (slow drip) underneath about middle of truck and a second fuel leak (slow drip) nearby about two feet forward from the middle leak. Drips are coming...

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engine hard to start smelling fuel first look under hood for signs leaking fuel lines if you raise hood get strong gas smell look for wet fuel leaks on top engine where fuel lines located.if see no leaks could have leak at fuel rails to fuel injectors.if see no leaks look under vechicle around fuel tank area look for fuel dripping.

Jan 29, 2013 | 2002 Dodge Durango

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I have strong gas smell in my dodge 2000 interpid but i see no leaks anyway. also running out of gas faster.

Thanks for choosing FixYa and welcome. You may want to try a fuel cleaner and changing the fuel filter first if you haven't already. Check for any codes that may have came up if the check engine light is on. Check all your fuel lines and gas tank again. You may have a bad fuel injector so check them for sure. If one is leaking, fuel can be smelled. A simple tune up can help your gas mileage, as well as the cleaner. Check around the fuel filter for loose hoses. If you can access the fuel pump from your back seat, check in that area also. Check the engine block for leaks. Remember, if it is leaking there, the gas will evaporate before you notice leaking spots. Check all your lines behind the engine block and at the firewall. Are your rpm's jumping any? High idle? The throttle may need adjusted. You may be getting rich fuel as well. Check your catylactic convertor. There may be a leak around the fuel pump so that is an option also. If it is not in the back seat, you will have to pull the tank to check it though.

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I have a small fuel leak drip by drip. the engine runs good even at high rpm .could the pumps be leaking and still be running good

Any fuel leak left alone is a potential fire waiting to happen. Whether it runs good or not definately fix it.

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must identified what part of it is leaking has it been changed and wrong or wrongly installed gasket promble

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Smell gas when driving. when I put it in garage after driving the smell stays for awhile. No leaks on floor of garage.

your car may not be burning off all the fuel or you are leaking. just because you dont see it on the floor doesnt mean that your not leaking. because its hot under there your evaporating faster than you drip. check your lines starting at tank. check under hood where it connects to injection system.
run the engine and smell exhaust for fuel. put your hand at the tip while engine is cold running. if you get fuel go get a tune up. if smell it while driving you have a leak. i would need more info on the car. like has it been running a little less normal?

Feb 21, 2010 | 2000 Kia Sephia

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Fuel leak

Check the flexible tube between the tank and the filler cap and the outlet hose from the tank. It's probably a slow drip which means it's leaking all the time though.

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1997 Cadillac Seville SLS

That is a broken or rusted fuel line. It only leaks when the fuel pump is running.

Mar 22, 2009 | 1997 Cadillac Seville

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Ford focus 1.8 turbo deisel 1999.

do not understand you what you mean. assuming your car was ok before you changed f/filter you need to bleed the fuel system of air. esiest to do would be to loosen fuel line at the injectors and have assistant crank the engine while you observe for clear fuel leak without any air bubbles from fuel line.tighten fuel lines and start engine. might have to repeat a few times. good luck.

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