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Message
OT mechanics- smoke coming out of exhaust
Posted on 8/29/23 at 4:17 pm
Posted on 8/29/23 at 4:17 pm
2019 Infiniti Q50 90K miles
I've noticed the last two days that I had smoke coming out of the exhaust. It wasn't much, and it doesn't do it all of the time. It happened while I was sitting in carpool so car was idling, and was probably the only reason I noticed it. Stepped out the first time and smelled like burned oil, I looked at the exhaust pipe and it looks like it may be burning oil as well. I'm actually about to take it to get the oil changed at an oil chance place, should I change that and take it to Infiniti?
It is turbocharged, but I haven't noticed anything that would make me think it's turbo related. Haven't noticed that I've been missing oil when I've been checking it.
ETA: edited to clarify- white smoke
I've noticed the last two days that I had smoke coming out of the exhaust. It wasn't much, and it doesn't do it all of the time. It happened while I was sitting in carpool so car was idling, and was probably the only reason I noticed it. Stepped out the first time and smelled like burned oil, I looked at the exhaust pipe and it looks like it may be burning oil as well. I'm actually about to take it to get the oil changed at an oil chance place, should I change that and take it to Infiniti?
It is turbocharged, but I haven't noticed anything that would make me think it's turbo related. Haven't noticed that I've been missing oil when I've been checking it.
ETA: edited to clarify- white smoke
This post was edited on 8/29/23 at 4:25 pm
12
Posted on 8/29/23 at 4:20 pm to LSUSkip
Oil seals on turbo
This post was edited on 8/29/23 at 4:21 pm
Posted on 8/29/23 at 4:23 pm to LSUSkip
What color is the smoke ? What’s in the exhaust when you pass your fingers n there ?
White smoke is vapor or oil. Black smoke is fuel. Coming out of an exhaust.
White smoke is vapor or oil. Black smoke is fuel. Coming out of an exhaust.
This post was edited on 8/29/23 at 4:25 pm
Posted on 8/29/23 at 4:23 pm to LSUSkip
quote:
It is turbocharged, but I haven't noticed anything that would make me think it's turbo related.
You actually may have. Any of the piping from the pressure side of the turbo to the throttle body can be pulled and checked for presence of oil. It should be squeaky clean and dry. If not… time for an upgrade.
Posted on 8/29/23 at 4:23 pm to LSUSkip
Posted on 8/29/23 at 4:24 pm to LSUSkip
It's either oil or water/coolant. Blue smoke = oil. White smoke = water/coolant.
Both are bad.
Check levels on both to diagnose it yourself. Top it off, sell it to some poor bastard, and get a new vehicle.
Both are bad.
Check levels on both to diagnose it yourself. Top it off, sell it to some poor bastard, and get a new vehicle.
Posted on 8/29/23 at 4:25 pm to Bigfishchoupique
White
Posted on 8/29/23 at 4:26 pm to deeprig9
quote:
White smoke is vapor or oil. Black smoke is fuel.
quote:
Blue smoke = oil. White smoke = water/coolant
Posted on 8/29/23 at 4:30 pm to LSUSkip
2011 Tundra, 200,000 miles, never had a problem.
Posted on 8/29/23 at 4:30 pm to Bigfishchoupique
quote:
White smoke is vapor or oil. Black smoke is fuel. Coming out of an exhaust. This post was edited on 8/29 at 4:25 pm
Actually it’s:
Whisps of white vapor in morning or night.. no sweat. Water vapor due to condensation in the exhaust. Goes away. Is normal.
Blue smoke.. Burning oil for some reason.
Black smoke.. flooding
White smoke?…. Mechanic staaaaaccckkked. Car owner fuuuuuuukkked.
This post was edited on 8/29/23 at 4:31 pm
Posted on 8/29/23 at 4:32 pm to deeprig9
quote:
Top it off, sell it to some poor bastard, and get a new vehicle.
With my luck this would be a car I buy
Posted on 8/29/23 at 4:35 pm to LSUSkip
quote:
White
Your car has apparently elected a new pope?
Posted on 8/29/23 at 4:36 pm to LSUSkip
I had a 2015 Nissan Maxima that did the same damn thing. Would do it maybe once every 3-4 months. Always checked the oil and wasn't losing any. I took it to three different mechanics and they could never get it to duplicate. That went on for about 4-5 years before I traded it in. No other issues so I don't know...
This post was edited on 8/29/23 at 4:36 pm
Posted on 8/29/23 at 4:37 pm to LoneStar23
any off putting odors that might tell the story?
Posted on 8/29/23 at 4:40 pm to LSUSkip
White smoke should mean coolant. Head gasket probably bad.
Could also be condensation but most likely not.
IMO.
Could also be condensation but most likely not.
IMO.
Posted on 8/29/23 at 4:41 pm to CleverUserName
Yes you are right. I’m talking 6-71 Detroits. I’m drinking beer sitting in the wet grass on the canal side with the water dripping off of the cypress trees. 
This post was edited on 8/29/23 at 4:42 pm
Posted on 8/29/23 at 4:45 pm to LSUSkip
If you are
quote:there's zero chance that you are
about to take it to get the oil changed at an oil chance place
quote:
checking it
Posted on 8/29/23 at 4:45 pm to LSUSkip
quote:
White
If it was warned up the white smoke means you are burning coolant. Check that level. Could be several things. None are good. Intake manifold or gasket. Head gasket or head itself. The turbo is may also be water cooled. But I would thing intake first because at idle is when the vacuum is highest in the intake and it is sucking coolant thru the failed area. Not every engine has coolant passages in the intake.
Take it to Infinity first.
Posted on 8/29/23 at 5:03 pm to BabyTac
quote:thanks?
2011 Tundra, 200,000 miles, never had a problem.
Posted on 8/29/23 at 5:07 pm to CaptainsWafer
If it ends up being a failed turbo make sure if they change it they change any filters or screens feeding the turbo.
Had you gone a long time ithout changing the oil?
Had you gone a long time ithout changing the oil?
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