Issue....oil on air filter. 2000Taurus, DOHC v6. The hoses are probably not original, specifically the hose running from the top of the oil housing on top of the engine. That hose is loose and runs to the air filter housing. I sthee a drawing available of the components art the top of the engine. Thank you!
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See here p13. You unclip the air filter housing top, loosen the circlips around each end of the boot (or corrugated hose), pull off the smaller hoses which join it, and wiggle it loose at each end. It is easier if you move the air filter housing top aside.
I always used K&N filters; check this information and links for 2004 FORD Explorer Sport Trac 4.0L V6 F/I -
Part 33-2106-1 Product Specifications Product Style: Panel Air Filter Height: 1.188 in
(30 mm) Outside Length: 9 in (229 mm) Outside Width: 7.688 in
(195 mm) Filter Material: Cotton Gauze Filter Re-Oiling Amount:
1.03 oz (31 ml) Weight: 1.3 lb (0.6 kg) Product Box Length: 10.44
in (265 mm) Product Box Width: 1.75 in (44 mm) Product Box Height:
11.56 in (294 mm)
Other alternative, if you can make it, install one new intake system with a conic filter and increase your HP (this work so fine in my Jeep 5.2L V8)...
57-2529-1 Product Specifications Product Style: 57 Series FIPK Estimated
Horsepower Gain: 6.88 HP @ 5243 RPM Type: Gen II Replacement
Filter: RF-1048 Street Legal In All States: Yes TUV Approved
(Europe): No Weight: 8.4 lb (3.8 kg) Product Box Length: 20.25 in
(514 mm) Product Box Width: 12.25 in (311 mm) Product Box Height:
12.25 in (311 mm)
The VSC warning light, Trac Off and check engine is probably an easy fix. If you look under the air filter/cleaner box there is probably a rubber hose that has been disconnected from a steel line. This is common if you have had the oil changed recently, the tech will check the ail filter and doesn't realize the hose has been disconnected.
Check pcv valve and vacuum hose to make sure they are working. Chances are that you have a broken or worn ring, or worn engine bearings. (excessive blowby) In which case there's not much short of rebuild or replacement of engine that will cure problem. You could remove the hose that is bringing the oil into the air intake off the air cleaner and route a longer hose into a can or something temporarily but it's not a cure.
Had the same problem. 2005 Cadillac CTS with the 3.6L V6 would not start after a oil change. I started looking for wires and stuff that might have been disconnected. That is when I realized that I had also checked the air filter. The hose from the air filter box to the intake had come slightly loose from the intake. The car would not run with an air leak at the air cleaner box box hose. Put the hose on tight and problem fixed.