Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
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Voltage supply, checking
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Disconnect 3-pin harness connector -1- from Mass Air Flow sensor (MAF) -2-.
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Connect multimeter US1119 (Fluke 83 or equivalent) between harness connector terminal 3 and engine Ground, using adapter cables from
VW1594 connector test kit.
