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  1. Buko

    Code 66 Low Maf Voltage- All Checks Ok. Ecm? Help!

    If the ECM does not generate the signal I'm guess it comes from the 12v MAF feed? All tests pass except this part. I get .12 to .18 VDC with the new MAF. <<Measure the MAF output at pins C & D on the MAF connector (dark blue/orange and tan/light blue) or at pins 50 & 9 on the computer. Be...
  2. Buko

    Code 66 Low Maf Voltage- All Checks Ok. Ecm? Help!

    Have been chasing down a code 66 for days (low MAF voltage). Did all the trouble shooting, ohmed out all the wires, 12 VDC OK, ground OK, etc. Replaced MAF-same issue!!! My idle volts are like .124 VDC, if I rev the car I can see them climb to ~.185 VDC in a linear fashion. So, it looks like the...