Quote:
Originally Posted by cliffmac
that is electrical....it shows up as a fuel delivery issue but it's really electrical.....
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How is a bad fuel pressure regulator electrical?
Seeing how it is vacuum referenced.
Anyway, with a pump that's 20 years old I'd change it to be safe. Check PNs to see if your 420 pump will swap, I don't think as V8s use dual pumps. But remember, the newest 126 is from 1991 and is 18 years old.
My 300sel's pump was VERY loud before it about kicked the bucket. It was in the $100 range when I bought it, cheap all things considered for a Bosch pump. I'd do it and a filter.
You have testing to do.