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View Full Version : ?,s on maf 2001 buick century



M Bell
08-18-2008, 12:38 PM
I have a 3 wire MAF on my car. I have the wiring diagrams. There is a 12 volt battery , ground and a signal wire. I checked with a meter and the signal wire has a 4.75 volt signal. When I series the maf/map I bought the pot adjusts the voltage not going to the ECU but the voltage going to the MAF. I tried switching the the leads but got the same results. Any ideas?