What Causes Injector Rattle

These issues tend to be VERY expensive.

What causes injector rattle. Real loud rattle. Ive got one injector thats knocking on the drivers side. The failure of the O-ring where the injector meets the fuel rail.

Excessive fueling could be causing detonation inside the combustion chamber instead of smooth combustion. As soon as the highway levels out and the load increases the. But once the RPMs come up a bit and boost builds the rattle goes away.

The reason is that the cracking pressure can relate directly to the injector timing. But there is only one way to release the. They will tick ping rattle and they can even produce a snapping sound.

For instance engine knocking when working hard under load like driving uphill passing a slowpoke or towing a trailer. Initially it occurs mostly with a cold engine under acceleration up to around 2000 rpms. Air in the oil causes foam.

Duramax Injector Failures-Cause and Prevention LB7. Only mods it has is a mouth piece fass 150 lift pump and pcv reroute. Answer 1 of 3.

When foam enters the injector it will cause misfires and rough running due to the fake injection pressures the foam is producing. Anything less will almost certainly result in. Fuel injectors are the biggest noise producer in older Mercedes diesel engines.