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CEL on and i have a code, i need help.

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Old 03-15-2004, 02:53 PM
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CEL on and i have a code, i need help.

Hey, i have a problem with my c280. Well, actually a lot of problems but let me get to the one that is bugging me to death. I have a CEL on, and my code was a P0505 error. Can anyone tell me what the culprit is? could it be a MAF or a faulty 02 sensor?? I know you helped me before redcoupe but I dont understand too much of what you are saying. Maybe you can explain it to me even further thanks.
Old 03-16-2004, 08:02 PM
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11 ML350
Let me check at work what that code is and I'll let you know.

Brian
Old 03-17-2004, 10:38 PM
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Thanks redcoupe, i know it is something with the idle air control sensor, sometimes when i try to floor it, it will go into the passing gear stage which is fine. Other times i will hear this clunking noise underneath the hood on the drive side. Is it my throttle? Can anyone tell me how i can find out if it is my MAF? i mean i can give some readings if you want but i dont know what a normal reading is. Thanks.
Old 03-19-2004, 11:47 AM
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1998 ML320 + 1985 AE86
P0505 Generic-Idle Air Control System
Old 03-19-2004, 03:37 PM
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ML320: Yeah i know what the error is, but i dont know what it means. Can anyone help me out or atleast tell me what it might be? maybe a common problem?

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