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Old 07-09-2016, 09:01 PM   #1005
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Holy shit the valves are all caked up like Bimmer or VW/Audi DI engines with such low mileage. It needs a walnut blasting job.

For example, I heard a 4.2L V8 FSI Audi RS4 loses like about 100hp with this kind of issue.

One reason I went with the BRZ is due to availability of port injection on top of direct injection.

I think Toyota now even includes a cleaning routine with D4-S on their 3.5L engine.

Last edited by krayzie; 07-09-2016 at 09:15 PM.
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