Question about 2002 Ford Excursion

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What does a fuel injector knock mean after truck is turned off 02 Excursion

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Is the engine dieseling? Or trying to keep running after switching it off? Hot carbon deposits used to cause this in carborated vehicles. Guess they could cause the same till the fuel pressure was gone on a newer vehicle if the pcm power relay contacts had fused.
Is that what fuel injector knock refers to?

Posted on Dec 30, 2016

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I have a 2005 mercury sable the. check engine light came on. I took it to AutoZone and the readings said it's running lean. Wht does that mean and what could be the cause?


It means that the engine is running lean which can cause engine knock. When the knock sensors detect excessive knock they set the check engine light.
Low fuel pressure.
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01 chevy Silverado 2500 misfires multiple cylinders replace 02 sensor map sensor fuel injector cleaned maf sensor it is throwing a code for knock senor 2 circuit my question is can a knock senor be bad...


No a knock sensor can not make a misfire. Check the coils, plugs and fuel pressure .The random misfires are cause the knock sensor to throw the code.

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There is gas in the intake manifold of my 99 Silverado LS 1500 5.3?


Sounds like a stuck open injector to me. I think most if not all of those codes are ghosts caused by the computer trying to make sense of all that fuel. Plug the injectors in and bump the key and see if one is spurting fuel. Have a fire extinguisher ready, and aim the injectors into a bucket if you can.

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My '02 1.9 tdi Octavia occasionally stalls without warning and then smokes very badly on eventual restart


dear . this knocking noise means fuel injectors ( One or two ) had stuck up nozzle in side ,so you need to replace injector nozzle ,
and re adjust injector pressure

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2004 ford excursion 6.0 was running ruff and blowing black smoke. now wont start


Usually a sign of a faulty fuel pressure regulator or injector. Someone will need to check the plugs to see if they are fuel-fouled and where the excess fuel is coming from. Since this engine has an injector for each cylinder I doubt it is a faulty injector but something could be grounding all of them at one time.

Sep 28, 2012 | 2004 Ford Excursion

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97dakota 3.9 have a bad knock,pulled a injector off guit knocking, is injector bad


Is it an engine knock if it is an engine knock and killing the cylinder by removing spark or fuel makes it go away then your injector is in fact working. The reason the noise quiets down its because you've eliminated that which would cause a load or pressure in that cylinder. This means you have some worn internal engine parts.

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1 Answer

Fuel smell in cabin of excursion, no error code


Could have a leaking injector. Or fuel line with a small hole or crack,

Jun 13, 2012 | 2000 Ford Excursion

1 Answer

Slugish start on my excursion


Glow plugs do not "fire". You may be confusing the function of glow plugs as analagous to spark plugs in a gasoline engine; the purpose of glow plugs is to heat the air-fuel mixture to a temperature that will support the diesel auto-combustion process. The diesel process is not one in which the air-fuel mixture is ignited via spark like a gas engine; rather, the air-fuel mixture undergoes much higher compression and spontaneously explodes, generating the combustion in a self-sustaining manner. High compression produces much higher heat, but before it can begin, heat must be introduced into the system to get it started.

If you're having sluggish engine performance from your diesel engine, you may have fuel system issues such as fuel pump failure or fuel line restrictions (including fuel filter or strainer clogging), etc. At the "worst" end of the spectrum, one of more of your fuel injectors may have a problem - the fuel injectors on the Powerstrokes not only inject the fuel into the combustion chamber, but are also cooled and lubricated by the fuel - if the vehicle has ever been run out of fuel, the injectors may have been damaged and will need to be inspected for replacement.

Jun 29, 2010 | 2004 Ford Excursion

2 Answers

2000 ford excursion hesitates at speeds of 45mph and 55mph


Could be several things, when was the last tune up? A coil may need replacing on one of the plugs and the catalytic converter could have some blockage and creating backpressure on the engine. Also fuel injectors may need cleaning by adding it to the fuel or a bad injector.

Nov 30, 2008 | 2000 Ford Excursion

1 Answer

Triton V10 Engine Shudders under load


have your fuel system vacuumed out our excursion did it as well the injectors are not at fault it is the fuel lines

Jul 09, 2008 | 2000 Ford Excursion

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