Just did a 3 can diesel purge and filter change on a hot engine, underload at full RACK, nothing, no change whatsoever. The diesel purge didn't even get dirty, not even in the slightest. Clean fuel system.

Engine didn't get any quieter on the purge, which tells me my engine is in very good shape. Engine never smoked or shook to begin with.

Now, I have no choice but to rebuild the lift pump. That's going to take me all day.

If lift pump rebuild doesn't do it, it's time to buy a Xentry a get to the bottom of it.

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1998 Ford Escort ZX2 5 speed - 279,000 miles My Daily

1992 Mercedes 300D 2.5 202,000 - Pure junk
2000 Mercedes E320 Black - 136,000 miles - Needs repair

Don't forget to grease the screw and threads on the spring compressor.