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Blue smoke

Tiny
TSEPO
  • MEMBER
  • 2008 TOYOTA
  • 1.5L
  • V12
  • RWD
  • MANUAL
  • 56,473 MILES
What makes a Avanza to have a smoke on a exhaust pipe?
Friday, January 20th, 2017 AT 12:16 AM

4 Replies

Tiny
TSEPO
  • MEMBER
  • 3 POSTS
I think it is a seal, but I am not sure.
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Friday, January 20th, 2017 AT 12:18 AM
Tiny
CARADIODOC
  • MECHANIC
  • 33,925 POSTS
Did you really mean to say, "on the exhaust pipe"? That would imply oil is dripping onto it from the engine, and that would indeed be caused by a leaking seal, most commonly a valve cover gasket. You'll see and smell the smoke, but it won't be blue.

If you're seeing blue smoke from the tail pipe, that is a sign of burning oil in the engine. Typical causes are worn valve guide seals, worn piston rings, an inoperative PCV system, and oil that has been diluted with gas.
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Saturday, January 21st, 2017 AT 2:29 PM
Tiny
TSEPO
  • MEMBER
  • 3 POSTS
The is no oil on the pipe the pipe is dry its smoke if I worm up the engine after is stop wen the engine hot but no oil leak on the pipe and smoke is blue.
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+1
Sunday, January 22nd, 2017 AT 8:34 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,420 POSTS
Hey TSEPO

We have a great guide on hwy the engine will make blue smoke.

https://www.2carpros.com/articles/blue-smoke-from-engines-exhaust

Please let us know what you find.

Best, Ken
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Wednesday, January 25th, 2017 AT 9:19 AM

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