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Emissions

Tiny
SHED11
  • MEMBER
  • 2011 TOYOTA AVENSIS
  • 2.0L
  • TURBO
  • 2WD
  • MANUAL
  • 88,000 MILES
The problem I am having is that I am getting blue and white smoke coming from the exhaust but I have had no warning lights come up on the dashboard. The car seems to be running okay. Also, I have had the car put on a diagnostic computer twice and it shown no faults. So can you tell me what the fault might be? Power steering smokes when the engine is hot.
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Tuesday, February 6th, 2018 AT 4:57 AM

8 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,268 POSTS
Blue smoke indicates oil is getting into the combustion chamber and burning. Does the engine use excessive oil? Second, white smoke could be engine coolant being burned. So start with those two things. Check to see if there is excessive consumption with either. I will tell you from experience, many of the RAV 4 vehicles with this (2.0L non turbo) engine were recalled due to excessive oil consumption. The engine was rebuilt with new and redesigned rings. Let me know about the oil consumption, and you should contact your Toyota dealer to see if there is anything happening with your particular vehicle.
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Tuesday, February 6th, 2018 AT 5:53 PM
Tiny
SHED11
  • MEMBER
  • 5 POSTS
Thanks for your help. The smoking seems intermediate and happens when I am in second or third gear and as I am going along in third on and off.
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Wednesday, February 7th, 2018 AT 11:19 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,268 POSTS
There are not enough miles on the engine for this type of issue. Have you contacted a dealer to determine if there is a known problem? Also, keep in mind a bad seal on the turbo can cause this. Check the throttle body for oil deposits. If they exist, chances are it is a seal in the turbo itself. Please keep in mind, the problem may have nothing to do with the turbo. Check the TB and let me know what you find.
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Thursday, February 8th, 2018 AT 7:56 PM
Tiny
SHED11
  • MEMBER
  • 5 POSTS
Thanks for your help. The car is at the garage and I will mention what you have said to the mechanic.
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Friday, February 9th, 2018 AT 1:34 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Monday, February 12th, 2018 AT 11:33 AM
Tiny
SHED11
  • MEMBER
  • 5 POSTS
I had the car back they did an emissions test it passed I forgot to mention the seal on the turbo. What I would like to ask can fuel consumption be a problem because I’m averaging 33 - 34 mpg and would welcome any advice to do next thanks
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Wednesday, February 14th, 2018 AT 2:03 AM
Tiny
SHED11
  • MEMBER
  • 5 POSTS
PS The problem is still there
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Wednesday, February 14th, 2018 AT 2:04 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,967 POSTS
The turbo can be causing all of your problems. The easiest way to confirm the issue is to check the end play of the turbine. See how much the shafts moves. Here is a guide to help you see what I am talking about.

https://www.2carpros.com/articles/how-turbo-chargers-work

Please let us know what happens.

Cheers, Ken
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Wednesday, February 14th, 2018 AT 10:30 AM

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