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Old 12-02-2006, 05:54 AM   #11
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No,I was not driving the car.I had just started it and it stayed on for about 3 minutes.Coolant level is fine and heat guage normal.I scanned the car and found no diagnostic trouble codes.Only came on that one time.
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Old 12-02-2006, 07:39 AM   #12
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The " ! " is a MAJOR warning light that something is not operating in the safe zone , something the ECU has no control over , a lot of times this is when the ECU goes into fail safe mode

Water temp to high
Oil temp to high
Low Oil Psi
Charging system

This will NOT show up as a ECL code and once the issue goes away (engine cools down) this light will go off by it self

For that light to come on it had to be something major

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Old 12-02-2006, 09:13 AM   #13
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Hmmm...Oil pressure is good.Oil temp is good.Water temp is normal.My battery was a bit run down from sitting...could that have caused it?I know we don't have an amp guage or voltmeter,but mabye that yellow light is how it warns of a low voltage condition?
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Old 12-02-2006, 10:12 AM   #14
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what are you driving??

Your profile doesn't even say what year vehicle you have. "anything I can get my hands on" is cute, but uninformative. Go here to get your Owners Manual in pdf format:

https://www.fleet.ford.com/maintenan...ls/default.asp
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Old 12-02-2006, 01:36 PM   #15
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I am posting on SVT performance chat and I called my car a Piranha so...anyway,thanks for the link toolman.It really does not specify in the owners manual about the probable cause if the car is a manual transmission.I am guessing the battery voltage was below specs (from sitting)and triggered the ECM into an alarm state,causing the yellow pop cap light to illuminate.Has not done it since so I guess I'm OK...
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Old 12-02-2006, 03:28 PM   #16
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Cool

Quote:
Originally Posted by QQQQ View Post
I am posting on SVT performance chat and I called my car a Piranha so...anyway,thanks for the link toolman.It really does not specify in the owners manual about the probable cause if the car is a manual transmission.I am guessing the battery voltage was below specs (from sitting)and triggered the ECM into an alarm state,causing the yellow pop cap light to illuminate.Has not done it since so I guess I'm OK...


i would venture to say that the low battery would not cause that light to come on. thats why you have a battery light... possibly a sensor malfunctioning if everything is fine -?-
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Old 12-02-2006, 03:36 PM   #17
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Well,the battery light only shows when the alt. is not charging.It may not be able to see a static low voltage condition.When this all happened,the car just turned over enough to start.The light stayed lit for about 3 minutes;possibly enough for the voltage to read OK again?I really don't know.What I don't understand is why Ford (or any manufacturer for that matter) would put a warning light on the dash that makes no sense unless you have read the manual or have access to one.After all I'm as much of an idiot as the next guy and I couldn't figure it out....
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Old 12-02-2006, 04:46 PM   #18
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That's why onwer's manuals exist
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Old 12-02-2006, 04:51 PM   #19
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When I had that light come on, I had major corrosion on my battery and also a weak ground cable. After I fixed that, I never heard from the mystery light again. And everyone lived happily ever after.
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Old 12-02-2006, 05:56 PM   #20
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When in doubt, take it in to have it checked out. I don't mean to insult you, and I know that's probably not what you want to hear, but unfortunately that warning light can mean quite a number of things. They might as well just nickname it the "miscellaneous, yet very important" light. But that just sounds stupid.

Of course you could always go with your gut instinct and try to fix what you think is wrong. But if the problem persists I'd highly recommend spending the time and money in having it checked out by a dealership or local mechanic. You don't want bigger headaches in the long run.
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