C36 AMG, C43 AMG (W202) 1995 - 2000

curse of the "check engine" light

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Old Jul 27, 2003 | 07:59 PM
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toamend's Avatar
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From: West Palm Beach
99 C43
curse of the "check engine" light

Driving on a very hot day the other day, and very low on gas when the check engine light pops on. Fill up, drive a few more short trips and it goes out. Then it happens again, few more trips and goes out.

Happened yesterday, very hot again and about a 1/2 tank of gas. Bought a new MB gas cap (trying to think optimisically about the fix) but no change. I've started the car at least 5 times and done at least 20 miles/trip since the cap change. Is there anyway to read the codes without a trip to the dealer (or other shop)?

It's a 99 C43 with about 55k on the clock, seems to be running fine and gets about 25mpg highway.
Thanks
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Old Jul 28, 2003 | 01:43 AM
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monowiper
if you were in seattle area i could have check the code for you np

see if anyone in your area has diagnostic tool it'll help you a lot knowing the code/codes
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Old Jul 28, 2003 | 10:55 AM
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Autozone = free diagnostic code pulling.
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Old Aug 14, 2003 | 09:29 AM
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From: West Palm Beach
99 C43
Update:
Although it was a good suggestion I was nervous about letting some $19k/year Autozone employee plug anything into my car and do who-knows-what to the computer so I made an appt with a highly recommended indy mechanic nearby. Problem was he couldn't take me for 3 weeks so I stopped by the dealer to have to code read.

To my astonishment, they read the code and replaced the MAS completely under warranty, even though the car is 5k over mileage and I didn't buy it there.

Once in a while you get lucky.
WTS
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Old Aug 14, 2003 | 11:02 AM
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From: car in front of you
1998 Silver C43
whats MAS?
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Old Aug 14, 2003 | 11:07 AM
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2017 GLE 350 Wifey, 2005 C55 AMG
Air sensor on intake
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