So much so I only take the highway at night or before dawn.

Two more odd issues.

#1 in gears 1-2 At full throttle the cat will not go past 4300-4500 rpm. It will hover at 4500 and not up shift.

#2 in gears 3-4-5, at full throttle the car goes into neutral. Which makes it not suitable for highway driving.

When I am normally putting around it acts fine.

Why is it doing this? Bad transmission, bad kickdown, faulty transmission electronics, or simply clogged fuel filters?

I'm scheduling a 6 can diesel purge sometime next week. Maybe that will help.

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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.