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2014 Accord LX - 66k miles - dealer recommended services

1K views 7 replies 6 participants last post by  SR_ 
Without disassembling the intake manifold, there is no way to clean the back of the intake valves on a DI engine. A professional cleaning on a DI injector may be needed but not at this mileage. As you stated you have already had the coolant system serviced. There are test strips you can use to tell if coolant is good.

In short, you need neither service.

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