Question about 2003 Ford Expedition

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Why is the right side of my engine on my 2003 ford expedition knocking?

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  • toneman2121
    toneman2121 May 12, 2010

    i would think from your descriptin you have a bad piston rod bearing. or a bad piston

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1 Answer

How do you know it is the right side?
How do you know it is ,in fact knocking

Do you have a Knock Sensor Code set?

V6 or V8

Posted on May 12, 2010

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2 Answers

Loud knocking under hood 2003 Ford expedition


Take it to a shop and have a trained technician listen to the noise, but that noise is most likely a failing engine rod bearing.

Jul 28, 2017 | 2003 Ford Expedition

1 Answer

Which firing order goes out first on a 2003 Ford expedition?


For 2003 Ford Expedition there are 4 different engines:
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For Expedition 4.6L engines: Firing Order 1-3-7-2-6-5-4-8

archaeology_77.jpg

====================================================================
For Frod Expedition 5.4L engines:

Firing order 1-3-7-2-6-5-4-8


archaeology_5.jpeg


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Ford Expedition 4.0L engines:

Firing order 1-4-2-5-3-6 ---

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===================================================================
For Ford Expedition 6.8L engines:

Firing Order: 1-6-5-10-2-7-3-8-4-9

archaeology_78.jpg

Jul 29, 2011 | 2003 Ford Expedition

1 Answer

Can I replace the knock sensor on a 1999 ford expedition Myself and if so what is the location


Yes you should be able to do this yourself. The part at autozone is about 42 bucks. The knock sensor is located on the right side of the engine block under the exhuast manifold on the V6. It should also be in the same general area on a V8.

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Engine noise passenger side top with belt off


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Mar 11, 2010 | 2003 Ford Expedition

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Where is the Iac valve in a 2004 ford expedition


IAC valve in 2004 Ford Expedition...

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Fig. 5.4L Engine LH side view

Good luck (remember rated this)

Feb 17, 2010 | 2004 Ford Expedition

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