Oil Consumption
- Thread starter treagan82
- Start date
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ManUpOrShutUp
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How many miles per week?
Hamfisted
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.... what weight oil are you using ? Are you seeing much blue smoke out of the tail pipe ?
Probably averages 100-150. I work from home, but get out to play disc golf and to the grocery store weekly and make the trip to duncan daily.
10w30. I do not see any smoke from the tail pipe.
Motorcity muscle
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Is the check engine light on, seems like that a lot of oil would mess with the O2 sensors.
Yes, has been on forever with a lean bank code.
Don Hall
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Check pcv.. can cause oil consumption. Blue smoke right at start are the valve seals but sounds like not happening. Also use a good oil filter wix, or Motorcraft. Most important and sounds like you do is keep on eye on level and keep adding. Then you can get fancy maybe pull the fuel pump fuse and see if it crank sound is even.
Ok… I have an ‘04 and a ‘16. So, I might be able to give you some guidance. That lean bank code is referring to too much air, and not enough fuel (lean). To compensate for the air it will dump more fuel; thus, making fuel mileage even crappier. Read the code again to find which bank/ cylinder it’s referring to. This will help you on the journey to the PCV leak. My leak was coming from the PCV valve/ hose assembly. I call it an assembly because it’s made up of a PCV valve, and a PCV loop that comes together. Can’t get it from the auto part store. One of the hoses was contacting a hard surface that rubbed a hole through it.
Oh, as far as the oil consumption goes… I just have the daughter keep an eye on it. Probably burns approximately a quart in about 2-3 weeks I’m guessing. Doesn’t smoke, nor does it leak. It’s got approximately 295k in it. There are two culprits that come to kind… valve seals allowing small amounts of oil to leak down into the cylinders which get burned off quickly after the initial start of the day. Or, worn piston rings that allow small amounts of oil to enter the combustion process where small amounts get burned off until it becomes noticeable.
Oh, as far as the oil consumption goes… I just have the daughter keep an eye on it. Probably burns approximately a quart in about 2-3 weeks I’m guessing. Doesn’t smoke, nor does it leak. It’s got approximately 295k in it. There are two culprits that come to kind… valve seals allowing small amounts of oil to leak down into the cylinders which get burned off quickly after the initial start of the day. Or, worn piston rings that allow small amounts of oil to enter the combustion process where small amounts get burned off until it becomes noticeable.
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Vincent Vega
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PCV and/or normal engine wear are the main possible reasons here. I have an 04 w 144k miles. burns 1-2 quarts every 3k miles. No blue smoke or other obvious reasons. I replaced my pcv valve a couple years ago, but it didn’t help. A couple weeks ago I got the lean code. After years of replacing pcv hoses and elbows etc piece by piece, I paid the $50 for a new pcv assembly (valve+hosing) from Ford.parts.com, which I should have done from the beginning. Arrived overnight, free shipping. The cheap hosing and elbows I had been buying from autozone didn’t fit together well and wore out quickly and had holes in them, causing vacuum leaks. The new Ford assembly fit tight and solved the lean code. In your case replacing the pcv assembly might solve both of your issues. side note, the lean code can also be caused by a toasted intake manifold, which happened to me last year. but that was different than what you are dealing with because it also had a giant coolant leak. Good times!
BROKENPILOT
Member
Ellison Brown III:
I found your reply to this post by accident. I also have an '04 (Eddie Bauer XLT) and I need the PCV "assembly" that you have pictured in your reply to this thread (above). Will you please provide the part number for that PCV assembly? Were you able to find that assembly anywhere other than at the Ford Dealer? Thanks for your help! Sincerely, James
Trainmaster
Old School Member
The way to positively diagnose the oil consumption would be with a compression test. A lot of work, and with 295K miles, the problem points to engine wear. As was said here, you can try cranking the motor with the fuel relay out so it doesn't start, or cranking it with the gas pedal to the floor (should stop it from starting) and see if it cranks evenly. That would give you some idea if there's low compression in once cylinder. But it could also be a combination of wear on everything.
Check the PVC stuff first. That can cause oil consumption.
Check the PVC stuff first. That can cause oil consumption.
Vincent Vega
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Broken Pilot, below is the Motorcraft Part link for the PCV assembly. In case the link does not work, part number is 6C324, which you can type into Parts.Ford.com. Dorman might make this part too, if you trust their stuff. Good luck.
