Busy stripping back wiring to Air Flow Meter (ongoing fuel problem) 4 wires seem ok but on stripping further back I'v found an extra wire hidden inside the plastic sleeve,its totaly bare and does not look factory finished.What could it be? The car had a MAFM problem (low voltage-9 instead of aprox. 17) so it was replaced with a brand new one,but the problem remained.Anyone come across this before? I'm thinking maybe an Earth wire but I dont know how to check I have a Digital Multimeter but I'd hate to 'Blow' the ECU-Can anyone help me please? Thanks-Mick.
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