Question about 2007 Nissan Murano SE

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When i first start the murano white smoke comes out of the exhaust for about 5to 6 seconds then stops the car does not mis and runs fine.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: White smoke from exhaust

Could also be a warped cylinder head, especially if you've been driving it that way for a while.
If you are noticing a higher than normal temperature indication, this is also indicative of a blown head gasket, warped cylinder head, or both. If your coolant levels seem to be dropping faster than normal it can mean that you're leaking it into the engine. Or, it can be that you have a coolant leak which caused you to overheat, and then blew the head gasket. It's something of a "chicken or the egg" situation.
The best way to determine if this is the case is to change your oil again and inspect it. If it looks like "milkshake," you have coolant mixing with the oil.

-R

Posted on Aug 13, 2008

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MrScary66613
  • 1990 Answers

SOURCE: smoke from exhaust when starting

You are Burning Oil. Check the Oil Level, Should be low. Have a Mechanic check your Compression and the Rings in that Motor!

Posted on Jan 01, 2009

  • 1779 Answers

SOURCE: white smoke coming from exhaust when accelerating

This is usually an indication of a bad head gasket.I gasket. The white smoke is the coolant leaking out of the engine and winding up in the oil passages, due to a bad head gasket. To confirm this,
1. check oil. Is level increased, or milky appearance?
2. Is coolant level dropping, but u don't see any signs of leaks?
The above indicates a bad head gasket, causing the white smoke u describe. Let me know how u make out.

Posted on Jan 03, 2009

rylee_smith
  • 8619 Answers

SOURCE: white smoke from the exhaust when I start the car

Hi!

What type of smoke can you see---

white smoke-
If you see a wispy, lingering white smoke that has a bittersweet smell, this is an indication that your car's engine coolant is leaking into the combustion chambers. This may be due to a leaky head gasket, or in a worst case scenario, a cracked cylinder head.

Make sure to take your car to the shop right away to get it fixed.
Thick white smoke---
If your vehicle is belching white smoke upon start-up, it is a sign that transmission fluid is entering the combustion chambers, possibly though a vacuum tube that connects the engine to the transmission.
This type of smoke can be confused with the normal puff of steam during start-up. If you are not sure, have your car inspected at the shop.

Blue/White Smoke--
A blue/white smoke is an indication that oil is being sucked into the combustion chambers through the valve guides. A quick fix for this problem is by replacing the valve seals. Valve seals are small, umbrella shaped pieces of rubber.

Do rate the solution.

Thanks
Rylee.

Posted on Feb 09, 2009

yotaguy
  • 232 Answers

SOURCE: car is blowing white smoke from exhaust when i step on gas

The most likely cause is a blown head gasket,but it could also be a warped head,was the motor overheated prior to the problem starting? The white smoke is steam,check the underside of the oil fill cap and dipstick for a grayish brown residue,check the coolant for a low level and oil conatamination,either of these conditions verify that a head isn't fully sealed.Unless your moderately skilled mechanically this a job to be done by a shop.A good shop will perform a leakdown test to verify this.

Posted on Jun 01, 2009

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I have a Nissan Murano when starting it up some days a small amount of white smoke come out the tailpipe for 1 sec . but the coolant is green an no oil on the ground mileage 187258


White smoke is a sign that coolant could be leaking into your pistons and getting burned. I doubt that is the case hear as you say it only happens for like a second. I would think what you're seeing is condensate getting burned out of the exhaust which is normal. If you think you have a blown gasket causing coolant to get into the pistons, go have your system pressure tested. If there is a small leak, it's better to take care of it now than to wait until it's really big and then the engine could get destroyed.

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What is year--make--model?
Are you losing coolant? The white smoke may be coolant in the combustion cylinder, possibly caused by a head gasket problem. If head gasket problem, fix that first.

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Sounds like antifreeze leaking in to me. Ports at rear of intake are trick and easy to get that gasket mis-aligned. Hate to say it but when you take the intake back off I imagine the culprit will be obvious. Only other thing is that the intake wsa fine and you actually had a blown head gasket.

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white smoke mostly is caused by over fueling so what i suggest you do is first of all check if there is no leak on the injectors and if there is none which means your valve sterm seals are damaged.When the head gasket is blown out you may have problems like :-loosing power when driving,over heating,idling problems and oil mixing with water, its not your head gasket.

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Its the problem of oil.The oil is getting burned out. The vehicle is either burning oil or it is moisture in the gas chamber if you notice white smoke from the exhaust. This is a common possibility.but in some cases this white smoke is not due to oil burning.In that case   White smoke from the exhaust is a symptom of coolant entering the combustion chamber. Normally this is a sign of a blown head gasket or cracked head. And  this is not a common problem must be repaired immediately. You must STOP driving this vehicle or you will cause serious engine damage. you will have to get both this possibilities checked.
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Probably a head gasket. Water / antifreeze seeping into the cyllinder when it's hot/pressured up, and the plug won't fire until the water is blown out the exhaust, then it runs fine. Next time you hot start it, and it's running poorly, see if there is any white smoke coming out the exhaust.

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sorry to spoil your day but white exhaust indicates that you have a blown head gasket or the head and/or the block is cracked

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