drove for a bit with the fuel tank cap off to try and get some evidence to support the tank breather idea. Car ran like a Champ! bobbin' and weavin' on I-85. Pushed it up to +80MPH a couple of times. No problems until i pulled off the exit ramp. Chugged away from that stop, i thought it might stall. then switched the tank. Drove the rest of the way home with no problem at all. so, i'm narrowing in on the tank strainer.

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

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"