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post #1 of 1 (permalink) Old 10-21-2010, 08:18 AM Thread Starter
BenzWorld Newbie
Date registered: Oct 2010
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Smile Thanks for being here.

I am the owner of a 99 SL500 that has been pretty much trouble free until recently when the CEL came on. After a few trips to the auto mechanic and about $300.00, I read your forums to find out why I was getting OBD codes 170/173. Just about everyone pointed to the Mass Air Flow sensor. I cleaned it (as recommended for the first step) and the car ran better but still had the CEL. Finally replaced with a Bosh (another strong recommendation) and bye bye light in two days. Thanks to the posts here, who knows how much I saved. Glad to be a member now.
In the process of troubleshooting though, I did pick up a neat little program for my laptop with a USB adapter to my OBDII connector. It's called OBDWiz. Got it for around 70 Bucks... nice tool if you have laptop and hate those small LED displays on the hand held readers. Check it out, and happy driving.
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