Diesel Diagnostics
I'm trying to diagnose my truck. I bought a Scangauge II and was able to get the following readings.
IPR: 85%
ICP: 525
FICM Main power: 48v
FICM Sync: sometimes yes/sometimes no
I'm thinking either a weak HPOP, or a bad o-ring somewhere. It would start to fire once or twice, but would never...