Code P0157 (MAF sensor below min voltage)
I have a 1992 CV LX 4.6L which is storing a code 157 (MAF sensor below minimum voltage). The car runs fine, MPG is normal, but the code will re-occur within a day if I clear the code. I have tested the voltages at the sensor per the Haynes manual, and they are on spec, and I also swapped in a MAF sensor from another CV (same part number), but nothing changed. I searched several forums and could not find a reference for other reasons for this code. Anyone have any ideas?