I have a 2011 Skoda Fabia vrs

I have noticed of late , when driving when you come off the throttle or going downhill .

Occasionally i get a plume of smoke from the exhaust ??.

It doesn't smoke on start up or when driving normally ?

The car gets oil changed every 3000miles as i only use it mainly for work and back.

Currently it has 78,000 miles on the clock.

I have been told to change the water pump and both belts ??

Also, does the supercharger need regular service ?

I am of mature years and it doesn't get hammered .

Any help on this would be appreciated as i could do without an engine failure if serious.

Had an old volvo that used to smoke after idling for a while then clear itself. It was worn turbo seals that let a little oil in. Seemed to build up when idling then burnt off when car running at speed. Eventually swappped turbo for a good second hand one.

Alasdair

What colour is the smoke coming from the from exhaust ? black, blue, whitish like steam ? all have different symtoms and repairs please advise what engine code if you know it as some models have generic faults so this can help

Hi,

Thank you for your reply.

It does have the usual oil consumption fault being a cave engine , but never worried me as it hardly goes anywhere.

Just the plume of smoke ?, someone else has said they are common for the PCV to fault ?.

Didn't really want to go down the route of a new turbo , but well worth more investigation , i am in the motor trade and thought if it was the turbo, it would smoke constantly ??.

Always open to listen to other peoples ideas . :)

2 minutes ago, Murdockman said:

What colour is the smoke coming from the from exhaust ? black, blue, whitish like steam ? all have different symtoms and repairs please advise what engine code if you know it as some models have generic faults so this can help

Hi

As i am looking our of my rear view mirror, it looks to be blue ?

I have plugged a basic code reader into the OBD, no faults showing

Turbos are ok or not, not usually a CAVE issue.

The piston rings are, valves, one plug fouling with oil & carbon and burning out.

You are doing well the engine runs.

(Borewash is an issue, so run the Super Unleaded but not the Long Life oil.

(not the VW 504 00) 5w 30 FS III)

You can inspect both belts.

Change the water pump of a Twincharger once it leaks and change the belts.

?

Are you sure never had the waterpump changed.

Are you sure the original engine from the factory?

The supercharger clutch is with the waterpump. No supercharging servicing.

?

Are you running it on E5 97 or 99 ron Super unleaded?

If it is running rich because of short trips / journeys and not regularly getting a blast blowing out the soot occasionally is good.

If not too much of an oil user then great, 3,000 mile oil changes a bit much unless that is your annual mileage.

Well done if the original engine still fitted.

??
Are you running it on 5w 40 FS, so VW502 000. Not long life oil? I would.

Edited 14 August, 202514 Aug by Ootohere

Blue exhaust smoke on overrun will be burnt lubricating oil - either from worn/damaged oil control rings, worn valve stem seals, or faulty turbo seals.

How much lube oil is being used ?

The first test should be to get a compression test done.

It is a Twin charger. See pinned posts at top of page.

Too late now to worry about oil with 2010-2012 CAVE or 2012-2015 CTHE.

You just keep feeding them oil. & 3.9 litres (4 litres) is the correct quantity not 3.6 litres.

Keep it topped up and use the 5w 40 FS that has it running cooler. When being used hard.

Edited 14 August, 202514 Aug by Ootohere

2 hours ago, Ootohere said:

It is a Twin charger. See pinned posts at top of page.

Too late now to worry about oil with 2010-2012 CAVE or 2012-2015 CTHE.

You just keep feeding them oil. & 3.9 litres (4 litres) is the correct quantity not 3.6 litres.

Keep it topped up and use the 5w 40 FS that has it running cooler. When being used hard.

@Ootohere Interesting reaction - Twin-chargers have a turbo as well as a blower.

Indeed. Supercharger 800 rpm to 3,500 rpm, Supercharger and turbo 2,800 to 3,500 rpm then only turbo.

Edited 14 August, 202514 Aug by Ootohere

6 hours ago, GeenMeany said:

Hi,

Thank you for your reply.

It does have the usual oil consumption fault being a cave engine , but never worried me as it hardly goes anywhere.

Just the plume of smoke ?, someone else has said they are common for the PCV to fault ?.

Didn't really want to go down the route of a new turbo , but well worth more investigation , i am in the motor trade and thought if it was the turbo, it would smoke constantly ??.

Always open to listen to other peoples ideas . :)

Hi

Thanks for the information

I have had it 7 years now, never had a water pump or belts changed.

I run it on Shell V power all the time too.

As regards to oil , i run it on Quantum 5w40.

4 hours ago, Warrior193 said:

Blue exhaust smoke on overrun will be burnt lubricating oil - either from worn/damaged oil control rings, worn valve stem seals, or faulty turbo seals.

How much lube oil is being used ?

The first test should be to get a compression test done.

Hi

I am normally topping the oil about 1/4ltr , maybe every 500mls , sometimes more.

If i visit my son down south, it never uses any ?.

Will definitely have a compression test done , fingers crossed it will be o k .

A bit confusing as it goes like poo off a log .

Why have the compression test done unless you plan on rebuilding the engine.

Did it ever get the Software Update and Breather mod done? Not worth doing now.

If there was high oil use back years ago that was done, made no difference, then there was the Upgraded Oil Squirters. Worked for some, or they thought it did.

Best keep the oil level up high in area A above the cross hatch on the dipstick when checked & normal operating temp. Just below the top orange blob when checked cold.

I would not worry. Just be sure to be getting the oil up to operating temperature often enough even if that means taking a different way home or driving an extra 10 minutes or so.

If you can use Tesco Monentum 99 then try it, maybe less Detergent Package than than the V-Power.

Depends where in the UK you are, not all the same formulation. & the Twin Charger loves the ethanol. (summer time.)

Edited 14 August, 202514 Aug by Ootohere

Oil spray Jets. Upgrade.

Squirters, you might need to be 16 or over to see things if you use 'squirters' as a keyword.

2 hours ago, GeenMeany said:

Hi

I am normally topping the oil about 1/4ltr , maybe every 500mls , sometimes more.

If i visit my son down south, it never uses any ?.

Will definitely have a compression test done , fingers crossed it will be o k .

A bit confusing as it goes like poo off a log .

At least the compression test might give some indication why oil is being used.

1/4 L in 500 miles isn't too catastrophic, and it may well be the case it will be uneconomic to rectify the problem.

Edited 14 August, 202514 Aug by Warrior193
correction

Within tolerances was given as 0.5 litres in 1,000 km (621 miles) actually with a proper oil consumption test within a warranty 0.3 litres in 1,000 used could get an engine replacement.

If it does not use oil on long runs there is not much wrong on a 14 year old Twincharger.

You fit good spark plugs, do not use long life oil and do fixed servicing of oil & filter and use E5 super unleaded.

Plenty have done just that and no need to rebuild the engine.

14 hours ago, Ootohere said:

Why have the compression test done unless you plan on rebuilding the engine.

Did it ever get the Software Update and Breather mod done? Not worth doing now.

If there was high oil use back years ago that was done, made no difference, then there was the Upgraded Oil Squirters. Worked for some, or they thought it did.

Best keep the oil level up high in area A above the cross hatch on the dipstick when checked & normal operating temp. Just below the top orange blob when checked cold.

I would not worry. Just be sure to be getting the oil up to operating temperature often enough even if that means taking a different way home or driving an extra 10 minutes or so.

If you can use Tesco Monentum 99 then try it, maybe less Detergent Package than than the V-Power.

Depends where in the UK you are, not all the same formulation. & the Twin Charger loves the ethanol. (summer time.)

Hi

About 3/4 years ago it went into Skoda for engine misfire.

They did an update ?, plus fitted new plugs to it and charged me £300+ for the privilege.

Since then pretty much had it serviced regular , other than the plugs which i have just changed

they had seen better days, i have bought new coil packs now to be fitted( Genuine vw/audi/skoda)

Thank you for your help and advice, i shall monitor things

12 hours ago, Warrior193 said:

At least the compression test might give some indication why oil is being used.

1/4 L in 500 miles isn't too catastrophic, and it may well be the case it will be uneconomic to rectify the problem.

I think

At the moment , i will monitor things and see if it gets worse.

Didn't want to do an engine re build as there aren't many people in Leeds or surrounding who like

to touch these engines .