VAPOR LOCK
I'm experiencing what I believe is vapor lock in my 1990 E350 Class C. Happens when I climbing hills, especially when it's hot out. I can see the engine temp gauge rise and start looking for a wide p...
Forum Discussion
The guesswork of whether fuel filters and fuel pumps are faulty would be solved by checking the fuel pressure - a remote gauge setup so you can watch fuel pressure during the event would be ideal.
I figured it was early EFI 460 but didn't know for sure.
Find the spec for your fuel pressure and watch it. If it starts dropping under load then you will know it is a fuel supply issue.
Reel time is probably spot on with his experience, but it never hurts to verify before throwing parts at it.
I figured it was early EFI 460 but didn't know for sure.
Find the spec for your fuel pressure and watch it. If it starts dropping under load then you will know it is a fuel supply issue.
Reel time is probably spot on with his experience, but it never hurts to verify before throwing parts at it.
