Hi all,

seeking your thoughts on my latest issue.
1992 300D 2.5 turbo om602 361,xxx miles. egr delete and pressure wastegate.

headed home from work the other day everything is fine. Rolling on the highway 85mph, AC Blasting. Chillin'

pull off the exit to go up the hill to my house and there's a problem.
sitting in traffic waiting to get through a light and engine RPM are down at idle.
right about 450rpms.

I was immediately concerned so i pulled over real quick and just did a quick visual check under the hood. nothing obviously amiss. no smoke, fumes, leaks, sounds, smells out of the ordinary.

continued on to the house and shut down. Came out later and checked some more. oil looks fine, coolant looks fine, fuel looks fine. fuel and air filters are recently changed.

Apparently nothing wrong mechanically. I've looks all over the linkages and everywhere under the hood and have not found anything the looks out of the ordinary. just the low idle. each time i've started since then same thing with the low idle. Drove to work this morning no problems at all out on the road as long as i just kept my foot on the pedal to keep the idle up a little bit when i was stopped.

any ideas?

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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"