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Blue Smoke On Startup And Idle, Clears After Driving


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#1 paramaniac

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Posted 08 October 2010 - 05:51 PM

I have a 2006 MK2 Ford Focus 1.8 TDCI and recently it has been blowing out a significant amount of blue smoke just after cold startup when the engine is idling. Immediatly after startup and for about 10 - 15 seconds there's no smoke, then the engine tone changes slightly (gets deeper) and at this point blue smoke starts coming out of the exhaust.

Revving the engine doesn't seem to clear the smoke, however after driving for a couple of minutes, the smoke is gone and I won't see any more throughout the day, until the next morning. The car drives fine once warmed up a bit.

I took it to a Ford dealership recently and they diagnosed 1 or 2 faulty injectors, replacing them would be 1200, maybe more!!! But who's to say they are not very busy and just want to fleece me. I have read about Ford doing work like this, only for the same problems to reappear days after.

I also read that it could be something like the engine valve seals leaking and letting oil in which causes the smoke. Or maybe clogged injectors that need cleaning, maybe using a fuel additive.

Does anyone have any similar experiences or ideas as to what to do next?

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#2 SteveTDCI

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Posted 10 October 2010 - 10:50 PM

If it means anything the 1.8 diesel fiesta I used to have(same engine diff injection system)used to smoke like a train but cleared up considerably after chucking in a whole bottle of Redex Diesel Injection Treatment

#3 metalmanst

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Posted 11 October 2010 - 04:51 AM

blue smoke signs of oil getting burnt , sounds like u may have u valve guide seals going hard, leaking oil into cyls when car been stopped .you injectors try looking local diesel specialist they can cause all sorts faults

#4 paramaniac

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Posted 21 October 2010 - 06:40 PM

Well I'm nearly through a whole bottle of Redex diesel and it seems to have helped a bit. Still a bit of smoke on startup, but after revving the engine, the smoke seems to clear quicker and remain clear after. I think I'll try another bottle on the next fill-up.

#5 LiamZetec

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Posted 21 October 2010 - 07:02 PM

Never use Redex or other products like these on cars. They are a total con, waste of time and money and do more harm than good - stop using Redex right now. The stuff that Redex claims to do is part of what your car's engine oil does.

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#6 stef123

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Posted 21 October 2010 - 09:09 PM

Never use Redex or other products like these on cars. They are a total con, waste of time and money and do more harm than good - stop using Redex right now. The stuff that Redex claims to do is part of what your car's engine oil does.Liam


ive never seen any oil come out my injectors..

#7 LiamZetec

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Posted 22 October 2010 - 08:23 AM

ive never seen any oil come out my injectors..


Sorry my bad - I was meant to say that their is an ingrediant in diesel & petrol fuels that does exactly what redex claims to do. So Redex basically is a waste of money.

Liam

#8 stef123

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Posted 22 October 2010 - 08:35 AM

Sorry my bad - I was meant to say that their is an ingrediant in diesel & petrol fuels that does exactly what redex claims to do. So Redex basically is a waste of money.

Liam


my understanding of the redex he used was a 'fuel treatment' so depending on what brand of fuel depends on what detergents etc. like supermarket fuel doesnt have as much as shell etc.
usually come mot time i have to throw in a product similar to redex to get the readings down - does the trick perfectly.

#9 artscot79

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Posted 22 October 2010 - 10:48 AM

my understanding of the redex he used was a 'fuel treatment' so depending on what brand of fuel depends on what detergents etc. like supermarket fuel doesnt have as much as shell etc.
usually come mot time i have to throw in a product similar to redex to get the readings down - does the trick perfectly.


redex is simply a fuel additive just not concentrated using ten quid of shell optimax does the same job personally i only use shell unleaded cars more responsive burns cleaner it wont damage the engine unless youre using redex all the time on every fill up


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