Mass Air Flow sensor
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1997 s320, 1997 e320
is the air filter placed correctly, all the corners are stuck in their place? maybe the maf wasn;t clamped right to the tubes when you changed it? next time you need an air filter change, also clean the maf sensor insert with some maf cleanser (crc makes one i think), and don;t forget to vacuum the area before putting in the new air filter.
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Mercedes Benz E350 CDi Blue Efficiency
MAF sensors can fail due to oil from a bad seal in the engine creeping back down air intake and covering platinum wires. Can be cleaned using Isopropyl Alcohol.... CLassic CLK230 Kompressor problem!
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1990 300 SEL
Had this problem before...check the wires that connect to the maf...unplg the connector and wiggle the wires sometimes they will pull out inside the plug....there is no reason for two complete mafs to be bad ( not enough moving parts to be that bad)....there are little brass connectors inside the connector check em all...the little pieces cost about .20 cents but are often bad....it's worth a try...tell the mechanic to test the plug by connecting the computer and wiggle it around...the computer will fluctuate alot
Last edited by Kaoskingnd; 06-03-2007 at 12:36 PM.