Operation – Bully Dog Watchdog User Manual

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OperATION

• Battery:

Current battery output voltage in volts.

• Fuel Pressure:

Display fuel rail pressure on most common rail fuel systems or just lift pressure on some

non-common rail fuel systems.

• Load:

Display calculated engine load displayed as a percentage from 0% for no load to 100% for maxi-

mum load capacity.

• Timing:

Display ignition timing on a gasoline fueled vehicle and injection timing on a diesel.

• MAF:

Display mass air flow in grams per second. MAF is a measure of how much air is coming into the

air intake stream.

• Fuel Econ.:

Display the vehicles instant fuel economy in miles per gallon or liters per 100 kilometers

depending on what units of measurement has been selected

Special Note: If Fuel Econ. is reading inaccurately then the economy displayed can be adjusted, read
Section 2 of the operating instructions to find out how to correctly calibrate the Fuel Econ. display.

• Fuel Flow:

Display a calculated amount of instant fuel flow through the fuel system. Units will display in

gallons per hour or liters per hour depending on what units of measurement have been selected.