2007 FORD FIESTA Injector

Fuel Charging and Controls - 2.OL
303-048-1 8 Duratec-HE (M14) 303-048-1 8
DIAGNOSIS AND TESTING
Symptom Possible Sources
Action -
lncorrector contaminated fuel. CHECK
for signs of
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
INSTALL a new fuel rail.
REFER to: Fuel Injection
Supply Manifold
(303-04C,
Removal and Installation). -- -
Positive crankcase ventilation
(PCV) system.
Worn or damaged valve
guide(s), piston ring(s), cylinder
bore(s), cylinder head or
gasket. INSPECT
for visible signs of
damage or blockage. CLEAN,
REPAIR or INSTALL new parts
as necessary.
REMOVE the cylinder head.
INSPECT the cylinder head,
pistons and cylinder bores for
signs of wear or damage.
REFER to: Cylinder Head (303-
01 C, In-vehicle Repair).
2006.0 Fiesta 1212006 GI 65371 en
procarmanuals.com

Fuel Charging and Controls - 2.OL
303-04B-19 Duratec-HE (M14) 303-04B-19
DIAGNOSIS AND TESTING
White smoke
Possible Sources Action
Incorrect or contaminated fuel. CHECK for signs of contamina-
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the fuel system
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
INSTALL a new fuel injection
supply manifold.
REFER to: Fuel Injection
Supply Manifold
(303-04C,
Removal and Installation).
Coolant in the combustion
chamber. CARRY OUT a cooling system
pressure test.
REFER to: Engine Cooling
(303-03C, Diagnosis and
Testing).
REMOVE the cylinder head.
INSPECT the cylinder head,
cylinder head gasket and
cylinder bores for wear or
damage. REFER to: Cylinder Head (303-
01
C, In-vehicle Repair).
2006.0 Fiesta 1212006 GI 65371 en
procarmanuals.com

Fuel Charging and Con
Duratec-HE
(N
trols - 2.OL
14)
DIAGNOSIS AND TESTING
Symptom
Engine misfire
Possible Sources Action
Engine ignition. REFER to: Engine Ignition
(303-078, Diagnosis and
Testing).
Incorrect or contaminated fuel. CHECK for signs of contamina-
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the fuel system
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
INSTALL a new fuel rail.
REFER to: Fuel Injection
Supply Manifold
(303-046,
Removal and Installation).
Low fuel system pressure. Check the fuel system pres- ( sure.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
EGR valve sticking open. REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis
and Testing).
Engine operating temperature
too high. REFER to:
Engine Cooling
(303-03C, Diagnosis and
Testing).
ECT sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
CKP sensor.
Carry out a full engine
diagnosis using the guided diagnostic menu in WDS.
CMP sensor. Carry out a full
engine
diagnosis using the guided
diagnostic menu in WDS.
KS.
2006.0 Fiesta 1212006 GI 65371 en
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS. )I
procarmanuals.com

Fuel Charging and Controls - 2.OL
303-04B-21 Duratec-HE (M14) 303-04B-21
DIAGNOSIS AND TESTING
Symptom
Engine knock at idle
Possible Sources Action
Fuel injectors.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
Fuel rail fuel pressure sensor.
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Low cylinder compression.
CHECK the engine compres-
sion.
Worn or damaged
valve(s),
tappet(s) or camshaft(s).
REMOVE the cylinder head.
INSPECT the cylinder head,
valves, tappets and camshafts
for signs of wear or damage.
REFER to: Cylinder Head (303-
01 C, In-vehicle Repair).
Damaged cylinder head gasket. REMOVE the cylinder head.
INSPECT the cylinder head
gasket and cylinder bores for
wear or damage.
REFER to: Cylinder Head (303-
01 C, In-vehicle Repair).
Low engine oil level.
CHECK the engine oil level.
REFILL as necessary.
Incorrect or contaminated fuel.
-
KS. CHECK
for signs of contamina-
tion such as strange odors from
the fuel tank.
If contaminated fuel is found,
DRAIN the complete fuel
system. FLUSH the fuel system
through with clean gasoline.
REFER to: Fuel Tank Draining
(31
0-OOA, General Proced-
u res).
INSTALL a new fuel filter.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out. INSTALL a new fuel rail.
REFER to: Fuel Injection
Supply Manifold
(303-04C,
Removal and Installation).
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
2006.0 Fiesta 1212006 GI 65371 en
procarmanuals.com

Fuel Charging and Controls - 2.OL
303-04B-22 Duratec-HE (M14) 303-04B-22
DIAGNOSIS AND TESTING
Symptom
Engine knock during accelera-
tion Possible
Sources Action
CKP sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
I . Incorrect valve timing. I CHECK the valve timing. I
Excessive carbon build up. REMOVE the cylinder head.
INSPECT the cylinder head
and pistons for signs carbon
build up.
REFER to: Cylinder Head (303-
01 C, In-vehicle Repair).
Worn or damaged oil pump.
Worn or damaged timing chain
or sprocket.
Major mechanical engine
failure. INSPECT
the engine compon- I
ents.
KS.
Fuel injectors. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
Major mechanical engine
failure. REFER
to: Engine (303-01
Engine
- 2.OL Duratec-HE
(M14), Diagnosis and
Testing).
N0TE:Before proceeding with any
of the actions in relation to the
possible sources for excessive
fuel consumption, a fuel consumption test located in the
toolbox menu of WDS must be
performed.
Excessive fuel consumption Brakes binding. CHECK
the braking system.
REFER to: Brake System (206-
00, Diagnosis and Testing).
Vehicle overloaded, or
excessive wind resistance (roof
racks, towing etc).
ADVISE the customer about
the effects of overloading the
vehicle and wind resistance on
the fuel consumption.
2006.0 Fiesta 1212006 GI 65371 en
Air cleaner element blocked. INSTALL a new air cleaner .-
element. I
procarmanuals.com

Fuel Charging and Controls - 2.OL
303-048-23 Duratec-HE (M14) 303-04B-23
DIAGNOSIS AND TESTING
Symptom
Possible Sources Action
Fuel system leak(s). CHECK the system for fuel
leak(s). REPAIR or INSTALL
new parts as necessary.
I Fuel filter blocked. I INSTALL a new fuel filter. I
Incorrect engine oil.
INSTALL a new oil filter and
engine oil.
I Generator. 1. REFER to WDS. I
EGR valve sticking open. REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M 14), Diagnosis
and Testing).
Slipping
clutch. REFER to: Manual Transaxle
and Clutch (308-00,
Diagnosis and Testing).
ECT sensor.
--
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Fuel injectors. INSPECT the fuel injectors.
CLEAN the fuel injectors or
INSTALL a new set of injectors
as required only after the
checks have been carried out.
PCM calibration. Using WDS, CHECK for the
availability of a calibration
update.
--
I . Incorrect valve timing. I CHECK the valve timing. I
Engine cuts out during hard
acceleration
Low cylinder compression.
CMP sensor. CHECK
the engine compres-
sion.
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
CKP sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Fuel rail fuel pressure sensor.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Low fuel system pressure.
2006.0 Fiesta 1212006 GI 65371 en
Check the fuel system pres-
sure.
procarmanuals.com

Fuel Charging and Controls - 2.OL
Duratec-HE (M14)
REMOVAL AND INSTALLATION
Fuel Injectors(23 455 0)
1. Remove the fuel injection supply manifold.
For additional information, refer to Fuel
Injection Supply Manifold
- in this section.
procarmanuals.com

Fuel Charging and Controls - 2.OL
Duratec-HE (M14)
REMOVAL AND INSTALLATION
Description Item Description
See Removal Detail
See Removal Detail
Fuel charging wiring harness retaining clip
Item Description I . WARNINGS:
or near any fuel related components.
Highly flammable vapors are always
present and may ignite. Failure to follow
these instructions may result in personal
7
8
I I iniurv.
Fuel rail retaining bolts
Fuel rail A Do not smoke or carry lighted tobacco or
open flame of any type when working on
11
Removal Details
1 12 1 Fuel injectors
Item 1 Fuel charging wiring harness retaining
clip
Fuel injector O-ring seals
See Installation Detail
always observe fuel handling precautions.
1. Detach the fuel charging wiring harness
retaining clip from the intake manifold.
I w
A This procedure involves fuel handling. Be
prepared for fuel spillage at all times and
Failure to follow these instructions may
5. To install, reverse the removal procedure.
result in personal injury.
2006.0 Fiesta 1212006 G421322en
procarmanuals.com