Question about 2005 Ford Taurus

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I continue to get the "CHECK CHARGING SYS" lite on my 2005 Ford Taurus. What do you think this means?

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It's likely to be an alternator that is starting to fail or a belt slipping through alternator pulley causing a low charge. You can verify by stopping by any good parts store (Autozone, Advance, etc... ) and they can test it for you for free,

Posted on Mar 14, 2011


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I have 2006 ford taurus check charging system and battery light on what's the problem help me please

Battery Light usually means the alternator is not charging correctly and needs to be replaced. Check charging volts, it should at 14 volts or very close to that number. If the number is low below 12 then the alternator needs to be replaced.

Note: A bad alternator can damage the battery & vise versa

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Check oil level if ok check oil sending unit. It should be close to oil filter they are inexpensive to replace. if lite continues to flash you have low oil pressure.and will probably need a new oil pump or main and or rod bearings this usually happens arround 150,000 miles and up if this is helpful please leave me good feedback

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Aug 21, 2012 | 2004 Ford Taurus

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Light on dash reads "check

nancycmixon, When you see this "check your charging system" you need to have the alternator checked. This is the main component for the charging system. A normal alternator will put out 13.6 to 14.6 volts. A few tenths of a volt either way won't mean too much but if they are extremely over or under these values means you have a bad alternator. I believe that your vehicle has a voltage meter in the dashboard and it will usually read in the thirteen to fourteen volts range. As far as your battery losing its charge overnight means that you have another problem and that is you have what is called a parasitic drain. There are a certain amount of parasitic drains already in the car with the radio memory and maybe a clock that constantly displays the time and the antitheft system in the car. These will not drain your battery overnight. You have something else draining your battery that is your problem. Have the alternator checked and mention the battery drain. There is test for this but it is too lengthy to post here. Sorry about that. Good luck with this.

May 13, 2011 | 2005 Ford Taurus

1 Answer

All of a sudden all dash gauges went to 0 and the battery light came on and the power windows stopped working and the airbag light came on and a warning light that said "check charging system"

your alternator is probably buggered. check the voltage charge rate across the battery when the cars running expect 13.3 - 15 volts max. any less possibly replace alternator.

Feb 03, 2011 | 2005 Ford Taurus

1 Answer

Is there a fuse for the alternator for a 2005 taurus? if so where? replace alt with a junkyard one and still showing 11.7 volts at the battery and the check charging sys. message is up on the dash

If the previous alternator had a shorted diode, it would have blown the 'fuse link' which is inserted into the wiring harness that runs from the alternator over to the starter solenoid terminal that has the battery positive cable connected to it. These fuse links are generally poking out of the harness at some point and look like a colored wire with a tag affixed to it. The insulation on this link should be burned if bad, and should be replaced with an identical fuse wire with crimped splices. Hope this helps!

Aug 15, 2010 | Ford Taurus Cars & Trucks

1 Answer

Check engine soon light

would not think so need to have the system scaned to get trouble code

Jan 17, 2010 | 2005 Ford Taurus

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