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White smoke comes from under the hood only when I start the Vehicle

Tiny
TELLISB
  • MEMBER
  • 2008 INFINITI QX
  • V8
  • 4WD
  • AUTOMATIC
  • 69,000 MILES
After the truck is parked for a while when I start it up white smoke comes from underneath the hood. It only last for a few second then its ok. The truck isnt leaking oil or fluids nor is it overheating. Smells like burned oil. I just had all of the spark plugs replaced and a coil replaced
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Wednesday, February 5th, 2014 AT 6:22 AM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Do you have an exhaust leak?
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Wednesday, February 5th, 2014 AT 8:43 AM
Tiny
TELLISB
  • MEMBER
  • 5 POSTS
No, it started after I got the spark plugs changed and a coil changed as well.

Before that there was no smoke coming from underneath the hood when I start the car
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Wednesday, February 5th, 2014 AT 9:05 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Open the hood and have a helper start the car so you can see aprox where the smoke is coming from. There has to be some kind of leak.
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Wednesday, February 5th, 2014 AT 9:49 AM
Tiny
TELLISB
  • MEMBER
  • 5 POSTS
Ok. I was thinking valve stem seals, worn rings, PCV valves. I will look and let you know. I just hope it isnt serious
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Wednesday, February 5th, 2014 AT 12:22 PM
Tiny
TELLISB
  • MEMBER
  • 5 POSTS
It appear to be coming from the drivers side. It also sound like the spark plug are not firing together on the same side. All fluid levels are good.
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Wednesday, February 5th, 2014 AT 5:59 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Start by checking to make sure the plugs are all tight. Also, is there a misfire?
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Thursday, February 6th, 2014 AT 4:59 AM
Tiny
TELLISB
  • MEMBER
  • 5 POSTS
Thanks, Lastly this morning not as much smoke but still the burned oil smell.
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Thursday, February 6th, 2014 AT 6:42 AM

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