1 Enter voltage reading (V) on vertical axis in appropriate diagram.
2 Enter the quantity of fuel delivered in 90 sec. (in ml) on the horizontal axis in the appropriate diagram.
3 Determine intersection point of the two readings.
If the intersection point is within the two limits in the appropriate diagram, the fuel metering pump is okay.
D83.70-0025-01
Auxiliary heater D1L-C (diesel)
Auxiliary heater B1L-C (gasoline)
D83.70-0026-01