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MP8 cups without injectors


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If you have air bubbles in your return fuel you will have to determine where it is coming from. Most likely it is injector/cup issue. If there is no air in return fuel and is not hard to start then you have a problem elsewhere. 

You can reuse injectors but it depends on the injector to cup wear pattern. On the conical tip of the injector if it has a uniform thin wear pattern around it and there are no signs of soot/carbon above it you can reuse that injector. If that wear pattern is thick and thin or there are signs of soot/carbon above it then it is not reusable. Any time an injector is removed the cup gets replace , can not be reused.

injector a.jpg


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