2015 Mazda 3 2.0 - Intake Valve Pics

[ARB1977]

Originally Posted by spasm3
I used the CRC intake valve cleaner this week on the mazda. Did it before the oil change. I did not use the whole can. Probably 1/2. I think i will do this with every change, hopefully before it gets too much buildup.

Would be interesting to see some pictures after the cleaning.

 

[bbhero]

Originally Posted by wemay
In addition, for the Hyundai/Kia owners out there...

As other manufacturers already have, Hyundai/Kia have now introduced a new engine design for 2020. Called Smart Stream, the 1.6T and 2.5 use GDI in combination with MPI. This might be the only way to mitigate the issue.



I believe you are right about this wemay... Toyota started doing the same exact thing a couple of years ago.

 

[wemay]

Originally Posted by PimTac
During my brief visit to the service dept this past week I talked to someone who had a 2015 CX5 with a little over 200k. He was very happy with it and it still runs great.


Same with our Santa Fe Sport 2.0T. Still runs great with 208k.

 

[spasm3]

Originally Posted by ARB1977
Originally Posted by spasm3
I used the CRC intake valve cleaner this week on the mazda. Did it before the oil change. I did not use the whole can. Probably 1/2. I think i will do this with every change, hopefully before it gets too much buildup.

Would be interesting to see some pictures after the cleaning.



Not sure how i could without disassembly. I don't know if you could use a bore-scope through the valve body.