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Old 11-14-2001, 11:51 AM
Tony1628 Tony1628 is offline
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Join Date: Sep 2001
Posts: 79
How to check mass airflow sensor

Is there anyway to check whether the mass
air flow sensor on a 98 E320 is working correctly.
I hate to go out and buy one and found out later
it is the O2 sensors that are bad.
I have a check engine on and using a OBD II scanner,
the code is Trim Fuel malfunction.
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