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Old 07-13-2008, 05:31 PM   #1 (permalink)
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Question "Service engine soon" light on

Driving my 97' Metro home last night and a "service engine soon" light came on. I don't have an owner's manual, wish I could find one. Anyone know what that particular light means? Car seems to be running fine. I've only had it for a few weeks.

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Old 07-13-2008, 05:42 PM   #2 (permalink)
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Some vehicles (dunno about the metro) have a light that comes on at certain service intervals (ie, 30k, 60k, 100k). Might be that.
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Old 07-13-2008, 05:49 PM   #3 (permalink)
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Go to autozone or advance or somewhere and get borrow their code reader and then take those codes it spits out over to TeamSwift • Index page .
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Old 07-13-2008, 06:01 PM   #4 (permalink)
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My odometer reads 154,742. Had the oil changed two weeks ago. I'm worried that this may be the equivalent of a "check engine" light.
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Old 07-13-2008, 06:02 PM   #5 (permalink)
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Good idea I'll try and get the code checked if that what it is.
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Old 07-13-2008, 10:50 PM   #6 (permalink)
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Just post what the code is here and I can help you out.
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Old 07-13-2008, 11:53 PM   #7 (permalink)
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If you were planning on getting a Scangauge anyways, now would be a great time.

It will read codes, and you can reset them too.

I saved my wife some trouble the other day by having her read me a code form her car over the phone. Was able to figure out that it was just a loose gas cap!

Handy feature to have!
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Old 07-14-2008, 12:21 AM   #8 (permalink)
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Quote:
Originally Posted by dcb View Post
Go to autozone or advance or somewhere and get borrow their code reader and then take those codes it spits out over to TeamSwift • Index page .
ditto. Autozone does this for free.

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Old 07-14-2008, 01:47 AM   #9 (permalink)
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They'll tell you what the code is, and give you a print out in store...

No need to make more work out of it by borrowing (which they probably won't let you) the reader, then coming home and finding the code.

But, often times it's an emissions related problem over most problems. The ECU regularly runs test on the car, and if it fails a test it throws the check engine light. Then it will test the specific problem over and over, and if it passes the test (X) amount of times, it will go out. But, even if things are in check, it can take a week or two of driving to get rid of the trouble code. You can have them clear the codes at a parts store probably, and just see if it comes back on.
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Old 07-14-2008, 06:48 PM   #10 (permalink)
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I took it to the local Schuck's auto parts store. They were kind enough to read the code for me. The code was P0420, " catalytic system efficiency below threshold (Bank 1)". So there it is ladies and germs. I guess I need a new cat. Wonder what that feline will set me back.

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