Ecoboost carbon build up problem?

[jholtz]

The internet is full of discussions about Ecoboost trucks suffering from carbon build up on the valves. Does anyone know if Ford has corrected the issue?

BTW, Ford isn't the only one with the problem. VW, BMW, Audio and other have the issue too. It's a result of DI, turbo and PCV valve systems based on what I've read. I think there's an oil catch can in my Ecoboost's future unless Ford has taken care of the problem.

Anyone know if this is fixed?

Jim

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[Budwise]

There is no way to correct the issue, its a side effect of a direct injection motor. The best thing you can do is get an oil catch can.

 

[69mach1-395]

And use top tier gas.

 

[jholtz]

There is no way to correct the issue, its a side effect of a direct injection motor. The best thing you can do is get an oil catch can.

Thanks for the feedback. I knew a catch can was the only thing the owner could do. I was hoping to hear inside information that Ford had addressed the issue since they've been aware of it for several years. VW, Audi, BMW and Mercedes have been tweaking cam timing etc, to help minimize it from what I've read. Perhaps Ford has done the same? :shrug:

Jim

 

[jholtz]

And use top tier gas.

Top or bottom tier gas makes no difference on a direct injection engine since gas isn't present on the intake side of the intake valve which is where the carbon build up problem is. Gas isn't the problem or the solution without an engine redesign. Some manufactures have designed a small injector placed on the intake manifold side of the intake valve to assist the direct injection and keep the back of the valve washed with gas as in non DI engines.

The issue seems to lie with the PVC valve emission control system and turbo pressurization of the oil system due to blow back. A properly designed catch can will address this. Other manufacturers have been playing with cam timing and ECM settings to help minimize blow back from the combustion chamber into the intake during valve overlap cycles. I'd like to know if Ford is also following this path.

Jim

 

[NavyChief]

Easy way to fix the issue buy a GT. It's a known problem since direct injection was developed back in the day. Only reason ford is doing it now is cafe standards. And ford not wanting anything to do with cylinder deactivation. Direct injection is a bad idea if you want to keep your car for a long time. Other wise you will have to take apart the engine to fix the build up on carbon. No way around it. Catch can won't stop it from happening.

 

[Budwise]

In the Mazda community I remember people used to have valve cleaning parties for their DISI motors lol.

 

[dragonacc]

Oil catch can and meth injection.

 

[Rubedog]

I had this issue with my BMW 335i (Twin turbo direct injection motor). I had the valves walnut shell blasted at 80k miles and kept on going. Not a deal breaker, just add it to your PM list. It was a $350 job on the BMW but access was easy, not sure how hard it would be to perform a similar cleaning on the ecoboost and at what interval it would be needed.

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