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Old 10-31-2003, 12:04 PM
shane83SD shane83SD is offline
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Join Date: Sep 2003
Location: S.F. Bayarea
Posts: 196
98 C280 loose air boot at intake manifold

Hi, check engine lite on. OBD-II code reader reads P0173, P0170. Fuel trim malfunction. Reading the archive, indicates problem in metering air. Most suggests Air Mass Sensor, or some air leak pass the meter.

I did some checking around the engine bay, found hidden near the fire wall, there is the rubber air boot to the intake manifold. I reached in and can move it around a bit. Because of the location, the connection is made different than most cars, i.e., not with a metal band with a screw. How is this connection made? Press fit?
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