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2009 Mazda CX 7, At first it just made a howling sound and…

Customer Question
2009 Mazda CX 7 ...

2009 Mazda CX 7

Mechanic's Assistant: Are you fixing your Mazda2 yourself? What have you tried so far?

At first it just made a howling sound and it seemed like the transmission was trying to catch up into gears when I went into a different gear and I had the gas pedal pressed down. And then by the time I came home from work it started billowing white smoke out the back and making like the best I can describe it is a cat trying to throw up sound

Mechanic's Assistant: Has the vehicle turned into a gas hog? And how does it start -- same as usual?

It starts same as usual. I have always used Mobil or BP gas but as of moving in February I've used family Express gas here and there. So when I have to use a different gas yes I notice I'm filling up more plus I started a new job that is farther away so I can't tell if that's contributing or not to tell u the truth

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It billowed smoke before but that had to do with the ventilation and that was supposedly replaced but my a/c still makes puddles into my passenger side

Submitted: 11 months ago.Category: Mazda
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Answered in 15 hours by:
9/10/2017
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 24,232
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Hello and welcome to JustAnswer!

An abnormal howling sound on acceleration along with smoke from the tailpipe leads me to believe that your turbo has failed. You may have heard bearing noise from the turbo and if it's seals failed then oil will go out the tailpipe. I do not recommend running the engine again until the problem is diagnosed.

Can you check the oil level?

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Customer reply replied 11 months ago
I did, and I am not holding oil for some reason
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago

It is most likely entering the exhaust through a failed turbo.

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Customer reply replied 11 months ago
I had this problem previous. No noises, just billowing white smoke out of tailpipes plus Everytime I use my a/c I get puddles of water on my passenger side floorboard. They replaced my entire turbo, gaskets, everything in October 2015. They also replace my entire ventilation and window/door seals in Sept 2015. I find it absolutely AMAZING that a turbo and seals that NEW could be faulty again after my warranty is up.
Mazda Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago
It's not unheard of and is what needs to be investigated now based on the symptoms.
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