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Join Date: Oct 2014
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Are you sure you have the correct lug? That's a big discrepancy from your measurement to the SCANGAUGE. This is from the procedures I have:
"4. if you have a "7 lug FICM"...you want to put one lead from your
multimeter onto the upper left "lug"...and the other multimeter probe
to ground (bare spot on the cylinder head, alternator bracket, negative
battery terminal, etc). If you have a "4 lug FICM"...you will want to
check the lug on the right (closest to the drivers side fender). Be
careful NOT to lean the probe on the FICM lug...overonto the
aluminum case...you might let the smoke out, LOL.."
Seems to me you might be chasing nothing with the FICM. I think 46 VDC is OK. If you want greater, maybe a 58 V FICM would be good. May be starting to fail, it's whether you want to change it for piece of mind when it can be good for years to come.
2005 F250, 189,000 Miles
Bullet Proof HD Oil Cooler w/ Cold Weather Kit, Bullet Proof EGR, Bulletproof Water Pump, 7.3 Fan Clutch
Airlift 5k Airbags and Wireless Air
Edge CTS w/ EGT probe and Fuel Pressure Sensor.
15 MPG slick; 10 MPG towing 11k fifth wheel
Ravelco
6.0 Flush Procedure:
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Good 6.0 Reading:
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