Ford F-150 2000 Introduction Manual page 19

Instrumentation
Engine oil pressure gauge
This shows the engine oil pressure
in the system. Sufficient pressure
exists as long as the needle remains
H
in the normal range (the area
between the "L" and "H").
If the gauge indicates low pressure,
L
stop the vehicle as soon as safely
possible and switch off the engine
immediately. Check the oil level.
Add oil if needed (refer to Engine oil in the Maintenance and care
chapter). If the oil level is correct, have your vehicle checked at your
dealership or by a qualified technician.
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