Question about 1999 Ford Expedition

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Anybody have step by step instructions on how to clean the egr valve on a 1998 ford expedition?

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  • thundersal Aug 05, 2009

    it's a 4.6. the check engine code (forgive me i'm a girl) said that the egr needed to be cleaned or replaced. along with the oxygen sensors.

  • bill May 11, 2010

    what is the engine displacement? 5.4 or 4.6. why the need of cleaning the egr?

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It is rare that the egr goes bad, but it is common for the port to get clogged with carbon over time.1 remove the tube at the egr with a 1-1/16 wrench. 2 use a 10 or a 8mm socket to remove the 2 bolts that hold it to the intake. 3 with it out, get a coat hanger and push in the center hole where it was attched to intake and **** the hole. do this a few times. 4 get some intake/ throttle body cleaner and spray it inside the hole. 5 put back together. 6 start car, it may run rough for a little. to help hold gas pedal until 1500rpm for a few seconds until it clears up. depending how clogged it is this should do the trick. if still clogged then there is more you can do. try this first and let us know how it went. best of luck

Posted on Aug 08, 2009

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Well there is a plate the egr is attached to tha contain passages that build up carbon, most likely the egr is functional.Inspect and clean those passages first. As for the oxygen sensors there may be an underlying concern such as a Vacuum leak that contrbutes to the performance of the sensors, remember just because a code exists does not mean that a part is always at fault.

Posted on Aug 05, 2009

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1 Answer

I have a 1998 ford expedition with a 4.6 liter, I am hearing alot of noise coming from the valves when accellerating. the engine doesn't burn any oil and has plenty of power. I was told it was not good to...


Is the check eng light on? if it is, and if it has EGR codes, the egr passages may be clogged. But if the light was on, you would mention that , right? You may hear "preignition" not the valves.

Nov 27, 2010 | 1998 Ford Expedition

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How do you remove and clean the egr valve on a 2002ford expedition?


It is likely not the valve you need to clean. The ports plug up in the elbow that the egr valve is bolted to. Remove the elbow and the valve and clean it out with compressed air and carb cleaner.

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26cb75c.jpg

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you need to get a DPFE sensor from the dealer also replace the hoses that plug in to it we always replace the EGR controler as well but thats just so we dont see the car or truck back for that problem agin

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1 Answer

I have a fail code (P1409) on my 1998 FOrd Expedition, 4.6L. Where can I get this part? Thanks, Alec


Code indicates bad EGR Vacuum Solenoid. Chilton lists possible causes below. Here's a link to the part you want. Best of luck!
Greg

http://www.rockauto.com/catalog/raframecatalog.php?carcode=1304402&parttype=4964&a=FRc1304402k943582

Possible Causes:
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  • EGR vacuum regulator solenoid is damaged or the PCM has failed

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99 ford expedition 4.6 misses / egr? vacuum?


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Apr 14, 2009 | 1999 Ford Expedition

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Exhaust recircuulation flow insufficient detected-p0401.


Can you give me a code number. Also the egr ports plug in the elbow the valve is bolted to. Remove the elbow and clean the ports.

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# 4 cyclinder


Number 4 cylinder is the 2nd cylinder back on the driver side. Check to see if your EGR valve is clogged with carbon. If it is, clean it out and I like to remove the EGR tube from the exhaust to valve and clean it out as well. The EGR tube is a metal tube. Remove the spark plug and see if it's been firing. How long has it been since it's had a set of plugs and wires?

Jun 29, 2008 | 1998 Ford Expedition

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