arazona007 Posted January 6, 2015 Share Posted January 6, 2015 Wonder if any one can help or advise me. I'm noticed occasionally black smoke/soot coming from My focus convertible, While starting up from cold. Also their seems to be an oil loss but has no signs of leakage. Fuel consumption seems to be down also. Normally I achieve 42 to 50 mpg but currently over the last week can't get any better that 30 mpg. My car is a 2 litre Duratec Petrol. 60,000 miles since manufacture 2008. Quote Link to comment Share on other sites More sharing options...
artscot79 Posted January 7, 2015 Share Posted January 7, 2015 You're burning oil is the simple answer why is another could be worn piston rings or the oil cooler is leaking into the coolant which would be evident by a film of oil in the expansion tank 50mpg from a 2.0 petrols optimistic mate to be honest the real world mpg isn't that high Quote Link to comment Share on other sites More sharing options...
madmole Posted January 7, 2015 Share Posted January 7, 2015 Rings or valve stem oil seal maybe get a compression test done Quote Link to comment Share on other sites More sharing options...
JamieC Posted January 7, 2015 Share Posted January 7, 2015 If your burning oil I'd expect it to be blue smoke not black, black smoke is unburnt fuel. Sounds to me like it's running rich on fuel and might explain the drop in your mpg. As for it using oil, has it noticeably increased recently? 1 Quote Link to comment Share on other sites More sharing options...
Guest Posted January 7, 2015 Share Posted January 7, 2015 42 to 50 mpg on 2 litre petrol! I struggle to get 35 on my 1.6 :) Quote Link to comment Share on other sites More sharing options...
arazona007 Posted January 8, 2015 Author Share Posted January 8, 2015 I do belive i was a bit rich with the MPG figure. Real world it was between 36-40. I had a problem before with the throttle control body and EGR valve which was repaired 2 months ago. oil lost at the time of changing these bits at awards was ok and didn't use any from then. But when these components did fail, oil loss was occurring. Approximately was loosing 0.5 L in every 500 miles I did. Quote Link to comment Share on other sites More sharing options...
arazona007 Posted January 8, 2015 Author Share Posted January 8, 2015 Afterwards* Quote Link to comment Share on other sites More sharing options...
arazona007 Posted January 8, 2015 Author Share Posted January 8, 2015 At current I'm adding around 0.5 L every week. Quote Link to comment Share on other sites More sharing options...
martyntdci Posted January 8, 2015 Share Posted January 8, 2015 I was under impression blue smoke was oil burning Quote Link to comment Share on other sites More sharing options...
stef123 Posted January 8, 2015 Share Posted January 8, 2015 Black smoke is probably from the rich fuel mixture. I'm under the impression that petrol engines can emit black smoke the same as a diesel (I've never seen black smoke on a petrol). oil burning will emit blue or grey smoke. Quote Link to comment Share on other sites More sharing options...
JamieC Posted January 8, 2015 Share Posted January 8, 2015 At current I'm adding around 0.5 L every week.What sort of mileage are you doing per week? Quote Link to comment Share on other sites More sharing options...
arazona007 Posted January 8, 2015 Author Share Posted January 8, 2015 100 to 120 miles Quote Link to comment Share on other sites More sharing options...
arazona007 Posted January 8, 2015 Author Share Posted January 8, 2015 Seems obsessive u know but has no signs of a leak anyware. Quote Link to comment Share on other sites More sharing options...
JamieC Posted January 8, 2015 Share Posted January 8, 2015 That's a lot of oil for that little mileage, I'll do some digging. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Ford UK Shop
Sponsored Ad
Name: eBay
Ford Model: FordUK Shop
Ford Year: 2024
Latest Deals
Ford UK Shop for genuine Ford parts & accessoriesDisclaimer: As the club is an eBay Partner, The club may be compensated if you make a purchase via the club
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.