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Service Engine Soon Light.

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Old 10-18-2009, 05:26 AM
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Default Service Engine Soon Light.

Came on yesterday.

Put on new Gas Cap and still on any suggestions?

Rx Bruce/StoreKeeper99Z28
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Old 10-18-2009, 06:40 AM
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auto zone checks code for free and could sometimes help you
Old 10-18-2009, 10:18 AM
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you need to pull the code from the pcm, and that will give you a good idea where to start your diagnosis.
Old 10-18-2009, 01:01 PM
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I found out the code is P0101

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Old 10-18-2009, 01:07 PM
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that is MAF code, check the MAF, see if it's dirty, you can carefully clean it off, just don't touch the little resistors. Then try clearing the code and see if it comes on again.
Old 10-18-2009, 01:29 PM
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I guess I will take it to CMS.

Rx Bruce
Old 10-18-2009, 02:21 PM
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have ED look at it.
Old 10-18-2009, 09:58 PM
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its a very simple fix. buy a 7 dollar can of MAF cleaner, spray the hell out of the wires, let it dry and put it back in. if it still pops up, get a new MAF



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