MAF ground issue
03 Escape 3.0. No power, received codes for both manifold o2 sensors running both rich and lean. I have tested the MAF sensor and found that there are no grounds, but does have power.
Anyone have experience clearing up the grounding issues? |
To confirm the ground is the only problem, the black with white tracer wire is the ground wire. You can run a jumper wire from the battery negative terminal to the terminal point where the black& white wire plug to the MAF sensor. This will provide a ground if that ground is incomplete. If everything is OK then trace the wire to where it is connected to a ground connection. Check that connection it could be off, missing or open. If that is ok then there may be a break in the black& white wire.
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