Quote:
Originally Posted by Ccmano
Fp2 by itself (fp1 fuse pulled) does 3.3amps and 49#. Still not sure if that by itself would cause the secondary issue.
H
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Well, you'll have to tell us if 3.3 is good or not. It's NOT, according to typically what is OK. Nominal current draw is closer to 5 amperes (4, depending on the manufacturer) Below 4 is abnormal (and 3.3 qualifies as significantly low).
The question becomes:
what will the pressure be when driving; when at WOT in particular? Normally-
-driving w/o secondary pump called for ~ 44-45 ± a pound or so.
-WOT w/ both pumps running, pressure should be in the 53 ± a pound or so.
This 3.3A thing may be a separate issue. But, it isn't right, and it raises the question of how it actually performs under LOAD. It deserves to be eliminated from the equation before analyzing further, IMO.
Setup for a dynamic fuel pressure test...
