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Smell of oil out exhaust

This is a discussion on Smell of oil out exhaust within the Focus RS TroubleShooting forums, part of the Focus RS Garage category; Originally Posted by Mayhem2.3RS No doesnt smoke on start up. But smokes if I am idling in traffic once I put in 1st gear and ...

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Thread: Smell of oil out exhaust

  1. #11
    RS Specialist lucky phil's Avatar
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    Quote Originally Posted by Mayhem2.3RS View Post
    No doesnt smoke on start up. But smokes if I am idling in traffic once I put in 1st gear and ease up. Then stops. It's more like a cloud then gone. And what did you mean by the last sentence "flashlight left time its" the reason I thought the pcv is maybe under no load a bit drips into the exhaust then burns off right away causing the quick bit of smoke. And would also explain why I dont get on start up as if it dripped down at end of day when I restart back up the next day the manifold is cold and it wouldnt burn off right away. It's really puzzling to me

    Sent from my SM-N960W using Tapatalk
    PCV system. Without seeing your catch can setup its hard to know. Put the system back to std except the engine plate and see if it still happens. Have you got the PCV hoses connected to the correct ports on the catch cans?

    Ciao
    Last edited by lucky phil; 04-05-2019 at 04:50 PM.
    If you're not living on the edge you're taking up too much space.

  2. #12
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    Quote Originally Posted by MikeT View Post
    Only 330 whp on a catless setup? I reccomend, along with alot of other users on this forum to upgrade to a dedicated tune, not the stock cons ones, so stratified, or mountune are really good choices especially with a catless down pipe. I make 421whp with catless down pipe, borla exhaust, mountune 93octane tune, 28psi of boost, and 7000k rev limit. The stock valvetrain will hit the pistons at about 8,250rpm.
    Secondly, the whole burning oil smell is the smell of burning fuel and raw un-burnable fuel, the best way to put it is not all the fuel is burnt coming out of the engine, some of it even burns going down the pipe.
    Hi Mike. Appreciate the feedback. Couple of things. I'm fully aware of what a catless set up smells like as i have had a few As my post says it's not the unburned fuel smell I have had many set ups. I fully agree a custom tune is where to go but I want to ensure car is solid first hense why I mentioned currently only running the canned tune. Stage 2 + to be exact plus it just getting out of winter and you shouldn't really hammer the car in wat with sub zero conditions. I have already reached out to stratified and once I install the TS wastegate and ensure this engine is good I will go full retard like my 300 was. This is an oil smell hence my post but I do appreciate as I said the feed back from you. As for your set up was the 421 on STD or SAE on a dyno as STD inflates numbers. Most of what I have read is around 400 to the wheels with water meth but not sure I want to do meth injection. Did you feel the exhaust actually made a power difference because the stock diameter on the focus is good to around 450 or is it just for a better sound what were your dyno numbers before and after the exhaust as I'm really not sure if I want to invest in the cat back if there are no real gains.

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  3. #13
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    Quote Originally Posted by lucky phil View Post
    PCV system, probably the valve itself. Without seeing your catch can setup its hard to know. Put the system back to std except the engine plate and see if it still happens.

    Ciao
    Yes this was happening in stock and now modded. Bought the car 2 months ago at 50K and now have just about 5 k on it myself. I have done a mod each weekend to see what changes.

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  5. #14
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    Quote Originally Posted by mikesk View Post
    Google search ECOBOOST UPR PCV, Gutted PCV and you'll find the agreed upon culprit and solution in many Mustang threads.
    Ues that's my next step as I know the mustang's have had issues. Thank you for the info

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  6. #15
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    Quote Originally Posted by lucky phil View Post
    PCV system, probably the valve itself. Without seeing your catch can setup its hard to know. Put the system back to std except the engine plate and see if it still happens.

    Ciao
    Catch can set up is the radium dual set up but I upgraded the lines with hose from summit racing

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  7. #16
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    Quote Originally Posted by Mayhem2.3RS View Post
    Hi all. New here to this forum and the RS but not new to cars and modding. I did a quick look here and have also done a quick search on Google with not much luck. I have a 2016 focus RS. It has 54k on it and this is a list of my mods. Catless down pipe. EtS intercooler radium duel catch cans as well as radium baffle. Injen intake and coils and 2 step colder plugs. Cobb AP and Cpe charge pipe with the tail BOV. My issue is and has been before I modded the car about a month ago is on idle after car is warm or after a 20 to 30 min Drive then idle at lights I can start to smell an oil smell out the exhaust as well as in the cabin. It is not a gas smell for sure. I also noticed from a first gear slow pull away there is smoke coming out the exhaust. The recall was done on the head gasket. I just took the car to Ford for this issue and they say they cant find anything. Does anyone have this issue or know what a fix is for it. Or is this normal because I know there is talk on this subject a bit with the eco mustang's. I just want to be sure I'm not missing something. Coolant levels stay the same and I do lose a bit of oil but I have also been told that is common with the RS. The car pulls hard on the dyno giving me 330 at the wheels with the can'd Cobb tune also if I drive it hard the smell goes away. I have been told that the pcv can be a bit faulty and drip some oil back. But when I call Ford to ask if there was a recall on the PCV they said no. Any insight into this or link me to an already discussed topic would be a huge help

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    Try the UPR PCV/catch can and gutting the OEM PCV.

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    Well I went to dealership today to show them the smoke and met one of the techs outside. His first thoughts are it's the turbo. So car goes in Monday for a proper diagnosis to confirm. But he is 90% sure by the smell of oil and the smoke

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