The fuel filters were changed about a week ago. I used power service to fill up the main filter. My primer pump did spill tons of fuel, but I haven't replaced it yet. I did screw it down tight. The car ran fine up untill today.

It might be bad diesel, I filled up just yesterday at a different station then my regular station. If I have a case of bad diesel do I add more Power Service to help it out?

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1984 300d
1983 300sd