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Malfunction Indicator Lamp (MIL) came on. . .

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Old 07-02-2005, 07:06 AM
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Default Malfunction Indicator Lamp (MIL) came on. . .

. .after dealer business hours last night. .going into a holiday weekend. Waiting for return call from them that may not come.

It's a 2001 180 coupe with just under 40,000m . .

The MIL came on to stay. Don't know much about the emission control. May be bad gas ( yeah, used 89 instead of 91 to save a few bucks. ..). . .or may indicate something more serious? It has to be hooked into their computer and all to diagnose.

Am I okay to DRIVE the car over the 4th holiday??

Would appreciate some feedback if you can assuage an inveterate worrier. thanks. . .

d
Old 07-02-2005, 07:11 AM
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Default Where do you live? You can drive it...

but having a Vag-Com check by a local enthusiast would be a better idea.
Old 07-02-2005, 07:23 AM
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Default Re: Where do you live? You can drive it...

In Los Feliz/Los Angeles. . nearest dealer about 25 miles away in Pasadena.

Yes, need to find a non-dealer option to avoid arm-and-a-leg post warantee service.

Good to know I can DRIVE it. . just wasn't sure HOW seriously I should take the warning light.

I appreciate your help. d
Old 07-02-2005, 08:11 AM
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Default A local Auto Zone can pull a code for you...>

for no charge. May not be absolutely accurate but it may give us an idea!
Old 07-02-2005, 08:20 AM
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Default Re: A local Auto Zone can pull a code for you...>

Thanks for the suggestion. I'm not a tech-oriented TT guy. "Pulling a code" means? . .hookup to FIND OUT the problem??

I get the impression that while there may be an emissions issue of some kind, I still can drive the car this weekend. . .
Old 07-02-2005, 08:27 AM
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Default Yup...they will..>

Just plug a code reader into your diagnostic port down by the hood release. Good chance it's as simple as a MAF (Which has a 7 year warranty). Easy fix...
Old 07-02-2005, 08:43 AM
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Default Re: Yup...they will..>

I'm with ya, here. Thanks. AutoZone can plug in. .
Forgive me, but. . what's a MAF?
d
Old 07-02-2005, 08:46 AM
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Default A maf..>

Reads the amount of air entering the intake. They frequently go bad, and if yours is original it's probably due. When they go, they read low, gradually forcing the computer to compensate for the air fuel ratio the engine needs. When it can't compensate anymore, a CEL is thrown. You'll get a system lean code.
Old 07-02-2005, 08:52 AM
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What's a CEL?
Old 07-02-2005, 08:53 AM
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Check Engine Light (or MIL...same thing)


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