Ford 1997 Aerostar Workshop Manual page 67

1997 Aerostar/Ranger
Section 10-01: Fuel Tank, Filters, Lines and
Electric Fuel Pump
SERVICE PROCEDURES
Fuel System Pressure Relief
SPECIAL SERVICE TOOL(S) REQUIRED
Multiport Fuel Injection (MFI) Fuel Pressure Gauge (EFI/CFI Fuel Pressure Gauge) T80L-9974-B
CAUTION: Fuel supply lines on MFI engines (6007) will remain pressurized for some period of
time after the engine is shut off. This residual pressure must be relieved before servicing of the fuel
system is begun.
On all MFI engines, the residual pressure in the fuel system can be relieved as follows:
Use Multiport Fuel Injection (MFI) Fuel Pressure Gauge (EFI/CFI Fuel Pressure Gauge) T80L-9974-B
attached to the pressure measuring port on the engine fuel rail.
Direct drain hose to a suitable container and depress the pressure relief button.
Alternate Method
Disconnect the inertia switch.
Crank the engine for 15 to 20 seconds to relieve pressure.
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1997 Aerostar, Ranger, Equipped with 2.3L, 3.0L, and 4.0L
Description
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Gasoline Engines Workshop Manual
Tool Number
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2011-04-29