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2003 Ford F-250 Super Duty Lariat 7.3L Glow Plugs
Posted to Ford Engine on 11/9/2011 8 Replies

When KOEO relay buzzes and I see 0.680 volts at violet wire from PCM. Is this not ground control and should be 0 volts when energized? When not energized I see 12.6 volts at this terminal. Scan data also showing engine oil temp at 42deg C when engine is stone ...

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car Vehicle Data

2003 Ford F-250 Super Duty Lariat

VIN 1FTNX21F83
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedGlow Plugs
ConditionsHard Start
Message Closed

car Vehicle Data

2003 Ford F-250 Super Duty Lariat

VIN 1FTNX21F83
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedGlow Plugs
ConditionsHard Start