Question about 2001 Ford Expedition

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My 2001 ford expedition is making a humming noise I just changed the idle control and then it started?

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  • andrea_avina Oct 09, 2009

    Thanks for the help I found out it is the Mass Air Flow.

  • andrea_avina Oct 19, 2009

    Hey I guess I found out the problem, I bought a faulty Idle controle vavle, so I bought a new one and guess what? The noise has stop!!

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Check the vacuum hoses

Posted on Oct 08, 2009

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I have the same noise with my 2001 Expedition i have not fixd it but i do know its coming from the air intake,i think its the air filter making this noise try moving it around or take it out and see what happends,i took it out and it stoped but i out it back in and its still making it im gonna buy i new one and replace it.

Posted on Oct 18, 2009

Testimonial: "hey thanks, but I guess the idle control valve I bought was faulty, so I took it back replaced it and the noise is gone. "

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1 Answer

Ford expedition noise


humming could be the motor turning round but not engaging with the flywheel. you can check this by hitting the starter with a spanner a few times. if it starts up after you have a sticking solenoid. had to do this a few times my self to get engine started. replace starter as soon as possible if it works. usually happens if you not driven car for awhile.. or you do a lot of starting and small trips.

Jan 24, 2014 | Cars & Trucks

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01 ford expedition. its hard to star all the time, i can run only if i hit the gas pedal if idont the engene is gonna die but once the idle kick that means its good


may be low fuel pressure at start up. Try this, turn key to ON and wait 5 seconds for fuel pump to stop humming. Then try starting. If it starts up faster, you have a bad check valve in the fuel pump, change it. It's in the fuel tank.

Slim chance it could be the fuel pressure regulator on the fuel rail with the injectors. very seldom fails.

Finally, your cold fast idle circuit is not wokring right. Clean passages.

Aug 30, 2011 | 2001 Ford Expedition

1 Answer

Load humming noise comes through air filter


too little information to go by..humming noise..what year/model/engine etc....

however i assume it s a ford and it is most likely caused by a sticky idle air control valve...they tend to hum and "hoot" when sticking, this may be associated with stalling at idle and/or hard starts unless aplying gas pedal. you can identify the idle air control valve as it is attached to most of the engnies by 2 botls and has about a 3-4" silver tube extending abaw from bolts, it is on top of the engine. when these make noise and backfeed through the air box a vibration can be felt from it. there will be a wire goinf to the valve, unplug it whil engine is running and when you hear the humming..if noise gone once it is unplugged...replce it WITH A FACTORY PART!!!

hope this helps

Mar 23, 2011 | Ford Explorer Sport Cars & Trucks

2 Answers

My 2001 ford expedition is making a knocking noise when I start it.


YOUR ENG IS GIVING YOU WARNING . MY FRIEND HAS THAT PROBLEM A NOISE DURING START AND AFTER START. NO DTC CODES OR CH. ENG LIGHT. IN SHORT HIS ENG WENT BAD. END UP CHANGING THE WHOLE ENG. ACCORDING TO THE MECH. SOME SAY THE OIL PUMP WORK AND DONT WORK CAUSING THE ENG TO BRAKE OR BROKEN. HAVE A SHOP TO LOOK AT IT DURING START AND AFTER START IT MIGHT SAVE YOU MONEY FOR LABOR AND ENG. HIS FORD SUV EXPEDITION COST HIM A LOT AND LOVE IT BUT THE COST IS HIGH. GOOD LUCK.

Aug 03, 2010 | 2001 Ford Expedition

1 Answer

When i start my 1997 expedition i get a loud humming noise what is this


Most likely this is your power steering pump - check the fluid and listen again.

The ford power steering pumps are known for a loud noise and even new ones make plenty of noise - especially when you turn the wheels. Keeping them full of fluid helps them be a little quieter.

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Check the #15 fuse in fusebox behind marked panel on left lower dash just below and left of steering column. This is only a 5 amp fuse but it controls a lot. This fixed our 2001 Expedition. 25 cents.

Dec 16, 2009 | 2001 Ford Expedition

2 Answers

Engine misses when accelerating DOWN THE RD


the idle controls could be the problem

May 02, 2009 | 2001 Ford Expedition

1 Answer

2003 Ford F150 SuperCrew. I get an infrequent humming tone from under the hood like my brake vacuum is sucking air. It happens at slow speed.


I have a Ford F150 2001 4.6 engine. I had a humming noise at low speed that had me trying ever thing I could. If you put your hand on the throttle control you could feel the hum or vibration. It has been a while but I think I finally found it by replacing the " Idle Air Control Valve ", no more problems.
DB

Apr 09, 2009 | 2003 Ford F150 Regular Cab

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