I was thinking that since it was increasing or decreasing with rpm it must be tied to the alternator. Also on a separate issue I get a electric buzzing noise only when hvac on defrost setting through car speakers up and down with rpm, although I believe that’s from no Freon in the ac lines.
2014 Taurus sel Only when it is cold, upon first start for 30 seconds the key ignition cylinder buzzes and the electrical buzz sound increases or decreases with rpm. Thoughts?
Well it was not the fuel pump. I am convinced either the ecu needs an update from that old tsb or it has an internal fault. It must have something to do once the ecu goes to sleep after like 4 min. I can confirm the injectors are not pulsing for that first 5 turns.
What is this black wire for under dash coming out of big wireharness? It’s cut, you will have to zoom to see it. There is no wire above to connect to so what up with that. For location in vehicle it’s right beside fuse box on driver side feet. For a tech to check ground?
There was a tsb for updating the ecu however my ecu vin does not match the ones recalled, if that is what what you were referring to. I noticed upon initial cold start there was a bit of a knock coming from engine that lasted 10 seconds. Perhaps a sign of not getting enough gas, who knows might...
I checked a forum where he tested the stock secondary windings off a vibe which were good so I’m assuming my reading is translated 5700 ohms for the old ones and 30000 ohms for the new one. The guy that tested his old working ones were 24000 ohms.
Ignore that reading above, primary windings are within spec but secondary winding on all the old ones is 5.7 ohms and the new one is 30. Not sure what the specs are for that.