Automotive Manual PDF

This is a guide to cleaning the Mass Air Flow (MAF) sensor, infamously known to VW owners as a problem part. This problem seems to have become more widespread with the release of the Mk. IV platform, which is apparently due to a bad batch of sensors from the Bosch factory. Although most of the faulty MAFs have been weeded out after having failed on their owners, the more hardy MAFs often survive until just after the car’s warranty expires. In most cases the owner is left holding a bill for several hundred dollars for a new MAF and labor costs.
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