Problems with air flow unit. - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 01-16-2006, 07:45 AM Thread Starter
BenzWorld Newbie
Date registered: Jan 2006
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Problems with air flow unit.

I have a CLK200 which has had two new Air flow units over the last year & 1/2. The management light is still on after countless re-sets and the errors range from Altitude pressure sensor to secondary air flow unit, mast unit faulty, barometric sensor . When I change something it works fine for a day or two and then goes back to sleep mode. I have tried everything and I'm still down on power and slow to accelerate. I had a problem with that manifold and got it resealed by a company that does them.

Anybody with any suggestions.
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post #2 of 2 (permalink) Old 02-01-2006, 02:10 AM
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RE: Problems with air flow unit.

An ongoing fault may indicate a wiring problem (poor contact etc.) as it is highly unlikely that 2 air flow meters will fail so soon. If you are able please indicate year model and actual fault codes.
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