SkyActiv Long-Term Reliability?? - Mazda3 Forums : The #1 Mazda 3 Forum
 
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post #1 of 7 (permalink) Old 03-13-2012, 11:11 AM Thread Starter
Bicycle Rider
 
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SkyActiv Long-Term Reliability??

Since the new SkyActive engines are direct injection, does anyone have any idea if they will potentially experience the same issues that turbo GDI engines do? By that I mean the gunk that the PCV valve allows into the engine. I've heard of turbo GDI engines experiencing all kinds of issue from loss of power to engine damage from the build-up on the valves that doesn't get "washed" away by fuel since it's injected directly into the cylinder. I know many people with turbo GDI engines install a catch can ahead of the PCV valve and the amount of crap that gets caught is a little concerning. I may be in the market for a new 3 hatch and am trying to determine if there may be future issues with the SkyActive setup.
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post #2 of 7 (permalink) Old 03-19-2012, 10:43 PM
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Re: SkyActiv Long-Term Reliability??

probably.

2010 Mazda 3i sport sedan- Liquid Silver 88k
1989 Mercedes benz 560SEC
1984 Mercedes Benz 300SD turbodiesel
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post #3 of 7 (permalink) Old 03-20-2012, 11:55 AM
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Re: SkyActiv Long-Term Reliability??

Then your first mod should be some kind of catch can. That should help for long-term reliability. A lot of speed guys do it. Some go the extra mile and do the "venturi effect" can.
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post #4 of 7 (permalink) Old 03-20-2012, 12:09 PM
Grand Am Series
 
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Re: SkyActiv Long-Term Reliability??

can you elaborate on this?

2010 Mazda 3i sport sedan- Liquid Silver 88k
1989 Mercedes benz 560SEC
1984 Mercedes Benz 300SD turbodiesel
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post #5 of 7 (permalink) Old 02-19-2013, 01:07 PM
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sorry to resurrect an old thread. but i hate it when people say "use the search function" when someone asks a question.
i searched, i found this.

anyone have a skyactive engine that has experienced reliability issues?
im thinking all of those tight tolerances are an engineering marvel, but there has to be a cost in reliability.
any anecdotes?
thanks.
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post #6 of 7 (permalink) Old 02-19-2013, 01:17 PM
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With proper maintenance, the Skyactiv should and will be just as reliable as any other car.

'06 Whitewater Pearl build | the noob thread
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post #7 of 7 (permalink) Old 02-19-2013, 02:58 PM
Short Track Racer
 
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id sure like to think so
but i was thinking more of a spirited driving, less than perfect scenario.
for instance.
the single cone syncro on the 3rd gear of my 5 sp should run just fine under proper conditions, but i still blew it up and upgraded to the 6sp.
yaknow, unforeseen stuff like that
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