NEW GUY WITH A QUESTION
04-14-2018, 02:21 AM
#2
Banned
Join Date: Jan 2018
Location: Pennsylvania
Posts: 2,327
Then you should have not posted here if you do not wants answers here...
Open MAF circuit,
Open VPWR circuit to MAF sensor,
Open PWR GND circuit to MAF sensor,
MAF circuit shorted to ground,
Faulty ECA or MAF sensor,
Air leak before or after MAF sensor,
MAF sensor disconnected.
you will have to disconnect the harness at the ECM, and determine which wires are which, in relation to the MAF sensor wires, and check them for continuity, short to ground, or an open. You also must inspect the intake tubing before and after the MAF sensor, and make sure there is no air leaking in.
ALl found searching yahoo " code 66 on 1990 mustang "
Open MAF circuit,
Open VPWR circuit to MAF sensor,
Open PWR GND circuit to MAF sensor,
MAF circuit shorted to ground,
Faulty ECA or MAF sensor,
Air leak before or after MAF sensor,
MAF sensor disconnected.
you will have to disconnect the harness at the ECM, and determine which wires are which, in relation to the MAF sensor wires, and check them for continuity, short to ground, or an open. You also must inspect the intake tubing before and after the MAF sensor, and make sure there is no air leaking in.
ALl found searching yahoo " code 66 on 1990 mustang "
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