Ford Thunderbird Manual page 241

03·04A·7
DIAGNOSIS AND TESTING
Fuel Charging and Con
Refer to the Powertrain Control I Emissions Diagnosis
Manual3 for Diagnosis and Testing Procedures.
REMOVAL AND INSTALLATION
Charging
Fuel System
Pre-Service Procedures
SPECIAL SERVICE TOOL(S) REQUIRED
Description
Multiport Fuel Injection (MFI) Fuel
Pressure Gauge
WARNING: THE FUEL SYSTEM IS NORMALLY
PRESSURIZED TO 276 KPA (40 PSI). USE CARE
WHEN SERVICING THE FUEL SYSTEM OR
POSSIBLE INJURY MAY OCCUR.
NOTE: The fuel charging system consists of the
throttle body (9E926) and the upper and lower intake
manifolds (9424).
Prior to service or removal of the fuel charging system,
the following steps must be taken:
. 1 . Disconnect battery ground cable ( 1 430 1 ). Refer
to Section 1 4-Q 1 .
2. Remove fuel tank filler cap (9030) at fuel tank
(9002) and release pressure.
Fuel Pressure Relief
1 . NOTE: A fuel pressure relief valve (9H32 1 ) on the
fuel injection supply manifold (9F792) is provided
for this procedure.
Install Multipart Fuel Injection (MFI) Fuel Pressure
Gauge T80L -997 4-B to the fuel pressure relief
valve on the fuel injection supply manifold.
2. Release pressure from fuel system. Refer to
Section 1 o-o 1 .
Post-Service Procedures
After the service is complete and the fuel charging
system is installed into the engine, the following steps
must be taken:
1 . Install fuel tank filler cap at fuel tank.
2.
Connect battery ground cable.
3.
Add engine coolant (if required). Refer to Section
03-Q3.
3 Can be purchased as a separate item.
Fuel Charging and Controls-3.8L
tr ol s
Tool Number
TBOL-9974-B
4.
WARNING: THE FUEL SYSTEM IS NORMALLY
PRESSURIZED TO 276 KPA (40 PSI). USE
CARE WHEN SERVICING THE FUEL SYSTEM
OR POSSIBLE PERSONAL INJURY MAY
OCCUR.
NOTE: Check all connections at fuel injection
supply manifold, fuel injectors, push connect
fittings and other appropriate areas.
Turn ignition switch from ON I OFF position
several times without starting engine to check for
fuel leaks.
5. Start engine and warm to operating temperature.
Check for coolant leak if coolant was removed.
6.
Perform Powertrain Control Module Self Test to
check systems function. Refer to the Powertrain
Control I Emissions Diagnosis Manual3•
Spring Lock Coupling
WARNING: DO NOT SMOKE, CARRY LIGHTED
TOBACCO OR AN OPEN FLAME OF ANY TYPE
WHEN FUELING VEHICLE OR WHEN WORKING ON
OR NEAR ANY FUEL-RELATED COMPONENT.
HIGHLY FLAMMABLE MIXTURES ARE ALWAYS
PRESENT AND MAY BE IGNITED, RESULTING IN
POSSIBLE PERSONAL INJURY.
WARNING: FUEL SUPPLY LINES ON VEHICLES
EQUIPPED WITH FUEL-INJECTED ENGINES WILL
REMAIN PRESSURIZED FOR LONG PERIODS OF
TIME AFTER ENGINE SHUTDOWN. FUEL SYSTEM
PRESSURE MUST BE RELIEVED PRIOR TO FUEL
SYSTEM SERVICE TO PREVENT POSSIBLE
INJURY. REFER TO FUEL PRESSURE RELIEF.
Removal
1 . Remove clip from spring lock coupling.
CLIP
1997 Thunderbird, Cougar July 1996
03·04A·7
V101 47-A