Blue/white smoke - Engine Troubleshooting


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Blue/white smoke

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Auto Repair Home>> Automotive Repair>> Engine Troubleshooting

king2807
Novice

Sep 20, 2012, 4:32 AM

Post #1 of 4 (1583 views)

Blue/white smoke	Sign In

I have a 2001 Renault laguna 2 1.9 dci 120 hp. I have blue/white smoke pooring out the back .The turbo is fine the smoke is not an oil burning smell.Anyone got any ideas ?

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Sep 20, 2012, 5:41 AM

Post #2 of 4 (1557 views)

Re: Blue/white smoke	Sign In

Be fast - check oil and engine coolant levels. Any mixing of either stop running this engine. If sudden without much provocation I would suspect a head gasket issue to chase down. Think this is diesel which if over fueled should show about black smoke out tailpipe. Anything resembling blue/white suggest engine coolant involved,

T

king2807
Novice

Sep 22, 2012, 6:41 AM

Post #3 of 4 (1518 views)

Re: Blue/white smoke	Sign In

There is no oil in the water. Its clean oil levels are all normal.I still have all power

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Sep 22, 2012, 7:36 AM

Post #4 of 4 (1507 views)

Re: Blue/white smoke	Sign In

It doesn't take much to make a scene. White (fog like) out tailpipe suggests coolant/water anywhere it could get in. If a cooler for turbo or something is involved could be that.

Coolant level could be elusive. Need to know it's full in radiator not just a recovery tank and some that is all you get to look at. If cold where you are some fog upon initial start up is normal but subsides.

If you can wet a paper with that smoke if plain water it would dry, antifreeze would not and be a clue,

T

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