Important, Port fuel injection (pfi) setup procedure – MotorVac CarbonClean System MCS 245 User Manual

Page 28

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Port Fuel Injection (PFI) Setup Procedure

Follow the steps below to connect the unit to the vehicle's fuel system in order to obtain fuel from the vehicle for use during
the cleaning procedure. Make sure the vehicle has at least 1/8 tank of fuel before beginning this process.


1.

Start the vehicle and allow the engine to reach normal operating temperature

.

IMPORTANT


Do not perform the setup or cleaning process if the
vehicle’s engine oil or coolant level is low. If necessary,
add oil and/or coolant to the vehicle.

2.

Turn the vehicle OFF

when normal operating temperature has been reached.

3.

Turn

the

Pressure Adjust

regulator counterclockwise until the regulator is

completely open.

4.

Attach the unit to the vehicle's battery by connecting the

red

battery clip to the

positive (­) battery terminal and the

black

battery clip to a solid ground point as far

from the battery as possible.


If

the

Reverse Polarity

LED comes on, make sure the connections to the vehicle's

battery are correct as described above.

5.

Loosen the vehicle's gas cap to relieve fuel tank pressure, and then re-install cap.

6.

Verify that the engine is no longer running.

7.

Disconnect the vehicle’s fuel lines from the fuel rail. There are now four open ends to

work with:

Pressure

Line:

Return

Line:

From the

fuel
tank

From the

fuel
rail

To the

fuel
rail

To the

fuel
tank

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