I have some issues shutting the car off. I guess it is called runaway diesel but it doesnt keeping running strong, it shutters like it wants to but doesnt stop. Sometimes it does shut off though as there isnt an issue but lately it hasnt been shutting off more and more. I thought I had a vacuum issue and I think that I addressed it down some posts. I bypassed the egr and replaced every rubber hose I could find with the rubber hose from an auto parts place. The transmission seemed to work a lot better at first but then the non shutoffs came back and it seems that the transmission is hitting hard again. So, is it the shutoff valve that needs replacing? Like I said, it shuts off sometimes, studders sometimes, and just keeps on running sometimes.

DK

PS: I have done some searching on here but havent found the same symptoms that I have. Maybe my symptoms are leading to a runaway diesel all the time?

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1983 300sd 253,000 + 13,000 (10,000+ on veggie and biodiesel)= 266,000
1983 300sd 390,000 (Leaky windshield seal) Known to me as the shower car. Parts car now!
1 junk 300sd Watch out for the skunk that lives underneith it!