Question about 2004 Ford Taurus

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204 Ford Taurus V6 grinding noise underhood

I was driving my girlfriend's Taurus (170,000 miles) for about 100 miles during which it ran perfectly fine, but I noticed the Check Engine light come on during the last ten miles. I asked her if she had noticed the light before, and she said it had come and gone periodically during the time she had it. I pulled into the driveway and stopped, put it in reverse, and the engine promptly quit. I put it in park, restarted it, and it quit again, making a loud grinding sound during the short time it was running. I popped the hood, checked the oil, looked everything over, and everything looked fine. I started it once again and it was clear that the noise was coming from the passenger side of the engine, from one of the belt driven accessories. My gf's stepdad, who used to work at a Ford dealership, suspected the smog pump. The car would not run unless given lots of gas, it would soon die if left to idle. The car was towed to a shop that said that there was a bad electrical connection, and "fixed" it. The car will now idle, but the same noise is still there. I notice now that it seems the steering is heavier than it was, though I am not certain of this. Other things of note, the cruise control does not work, and the engine fluctuates RPMs at idle, the tach bouncing from 600 to 1200 rpm. Both of those problems had existed for quite a while before this recent incident and seem unrelated. Anyone know what this noise is?

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  • 6 Answers

Sorry about the car but don't waist your money trying to fix it just get a new used or new car it will cost you to much to fix

Posted on Dec 31, 2013

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Posted on Jan 02, 2017

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SOURCE: Ford 2003 Expedition starts then shuts down

The only idea I hbave is for you to buy a OBD II sensor code reader. Know half the time the codes are generic, BUT also if you go buy a Advance auto they will read the code for you for free. And that code is the correct answer to your problem. Just make sure if your truck loses the code when you cut it off, that you don't cut it off when you get to advance auto.


brian_brackett2004@yahoo.com

Posted on Jan 28, 2009

tshot2020
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SOURCE: 2004 Ford Taurus V6 noise underhood appears to be belt

Sounds like a bad idler pulley,or belt tensioner. Most likely not water pump since the check engine light is not on. Altho it couold be the water pump and for some reason (bad sensor, burnt out light) the check engine isnt coming on. Either way it would be best to have it looked at.

Posted on Apr 21, 2009

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SOURCE: Ford Escape engine light on/blinking, faint knocking noise

If your check engine light came on when the problem occurred, then you need to have the diagnostic codes read. I am cheap, so I would suggest going to an Advance or Auto Zone, they will read the codes and interpret them for you in hopes of selling you the part that will fix it. Good Luck. I hope you find this very helpful!

Posted on Nov 22, 2009

  • 135 Answers

SOURCE: My 2002 Ford Taurus, just

could be bad water pump,leaking anti freeze,may have blown the head gasket as result overhaeting engine,check oil for milky gray color,or see if coming out exhaust if so blown head gasket,have someone help you check it out

Posted on Aug 21, 2011

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