check engine FORD FIESTA 2007 Manual Online
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Page 819 of 1226

Fuel Charging and Controls - 2.OL
303-04B-1 I Duratec-HE (M14) 303-04B-11
DIAGNOSIS AND TESTING
Symptom Possible Sources
Action
Fuel injector(s). 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.
Catalytic converter blocked. REMOVE and visually
INSPECT the catalytic
converter as necessary.
REFER to: Catalytic Converter
- 1.8L Duratec-HE (M14)/2.OL
Duratec-HE (M14) (309-00,
Removal and Installation).
Low cylinder compression. TEST the engine cylinder
compression.
Engine starts but immediately
stops Air cleaner element blocked. INSTALL
a new air cleaner
element.
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.
PCM. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Low fuel system pressure.
Check the fuel system pres-
sure.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
Fuel system
restriction
I
--
INSPECT the fuel system.
INSTALL new components as
necessary. TEST the system
for normal operation.
I Fuel filter blocked. I INSTALL a new fuel filter. I
Poor idling Air cleaner
element blocked. INSTALL a new air cleaner
element.
2006.0 Fiesta 1212006 GI 65371 en
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Page 820 of 1226

Fuel Charging and Controls - 2.OL
303-048-1 2 Duratec-HE (M14) 303-04B-12
DIAGNOSIS AND TESTING
Symptom Possible Sources Action
Incorrect or 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 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).
Low fuel system pressure. Check the fuel system pres-
sure.
RE.FER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
I Fuel filter blocked. I INSTALL a new fuel filter. I
EGR valve sticking open. REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis
and Testing).
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.
CKP sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Knock sensor (KS). Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Fuel injection supply manifold
fuel pressure sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
2006.0 Fiesta 1212006 GI 65371 en
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Page 821 of 1226

Fuel Charging and Controls - 2.OL
303-04B-13 Duratec-HE (M14) 303-04B-13
DIAGNOSIS AND TESTING
Possible Sources Action
,
Engine ignition.
Symptom
Engine stumbling
Engine lacks power
REFER to: Engine lgnition
(303-07B, Diagnosis and
Testing).
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.
Low fuel system pressure.
EGR valve sticking open.
Check the fuel system pres-
sure.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
Fuel rail fuel pressure sensor.
REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis
and Testing).
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Engine ignition. REFER to: Engine lgnition
(303-07B, Diagnosis and
Testing).
Brakes binding.
I CHECK the braking system.
REFER to: Brake System (206-
1 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.
Air cleaner element blocked.
REFER to: Fuel System Pres-
sure Check (31
0-OOA,
General Procedures).
INSTALL a new air cleaner
element as necessary.
Low fuel system pressure.
r
Check the fuel system pres-
sure.
2006.0 Fiesta 1212006 GI 65371 en
Kinked or restricted fuel lines. INSPECT the fuel lines.
INSTALL new components as
necessary. TEST the system
for normal operation.
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Page 822 of 1226

Fuel Charging and Controls - 2.OL
303-048-1 4 Duratec-HE (M14) 303-04B-14
DIAGNOSIS AND TESTING
Symptom Possible Sources Action
lncorrect or contaminated fuel. CHECK for signs of
tion such as strange
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-
ures).
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 rail.
REFER to: Fuel Injection
Supply Manifold
(303-04C,
Removal and Installation).
I Fuel filter blocked. I INSTALL a new fuel filter. I
REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis
and Testing).
I
Vehicle speed sensor (VSS). Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
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.
Fuel rail fuel pressure sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
I Incorrect valve timing. I CHECK the valve timing. I
Low cylinder compression.
--
CHECK the cylinder compres-
sion.
2006.0 Fiesta 1212006 GI 65371 en
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Page 823 of 1226

Fuel Charging and Controls - 2.OL
303-04B-15 Duratec-HE (M14) 303-04B-15
DIAGNOSIS AND TESTING
Symptom Possible Sources Action
Catalytic converter
blocked. REMOVE and visually
INSPECT the catalytic
converter for damage.
INSTALL a new catalytic
converter as necessary.
REFER to: Catalytic Converter
- 1.8L Duratec-HE (M14)12.OL
Duratec-HE (M14) (309-00,
Removal and Installation).
Black smoke at idle
Air cleaner element blocked.
acceleration INSTALL a new air cleaner
element as necessary.
--
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.
ECT sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Fuel rail fuel pressure sensor.
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
Catalytic converter blocked.
REMOVE and visually
INSPECT the catalytic
converter for damage.
INSTALL a new catalytic
converter as necessary.
REFER to: Catalytic Converter
- 1.8L Duratec-HE (M14)12.OL
Duratec-HE (M14) (309-00,
Removal and Installation).
I Incorrect valve timing. I CHECK the valve timing. I
2006.0 Fiesta 1212006 GI 65371 en
Air cleaner element blocked. INSTALL a new air cleaner
element as necessary.
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Page 824 of 1226

Fuel Charging and Controls - 2.OL
303-04B-16 Duratec-HE (M14) 303-04B-16
DIAGNOSIS AND TESTING
Symptom 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-
ures).
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).
REFER to: Engine Emission
Control (303-08 Engine Emission Control
- 2.OL
Duratec-HE (M14), Diagnosis .
and Testing). I
CKP sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
KS. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
INSPECT the fuel injectors.
CLEAN the fuel injectors or
l NSTALL a new set of injectors
as required only after the
checks have been carried out.
Catalytic converter blocked.
Fuel
rail fuel pressure sensor.
REMOVE and visually
INSPECT the catalytic
converter for damage.
INSTALL a new catalytic
converter as necessary.
Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
REFER to: Catalytic Converter
I
- 1.8L Duratec-HE (M14)/2.OL
Duratec-H E (M14) (309-00,
Removal and Installation).
2006.0 Fiesta 1212006 GI 65371 en
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Page 825 of 1226

Fuel Charging and Controls - 2.OL
303-04B-17 Duratec-HE (M14) 303-04B-17 - --
DIAGNOSIS AND TESTING ~
EGR valve sticking open.
Symptom
Possible Sources Action
REFER to: Engine Emission
Control (303-08 Engine
Emission Control
- 2.OL
Duratec-H E (M14), Diagnosis
and Testing).
Black
smoke at cruising speeds
ECT sensor. Carry out a full engine
diagnosis using the guided
diagnostic menu in WDS.
. Air cleaner element blocked.
Fuel injectors. INSTALL a new air cleaner
element.
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.
Catalytic converter blocked.
REMOVE and visually
INSPECT the catalytic
converter for damage.
INSTALL a new catalytic
converter as necessary.
REFER to: Catalytic Converter
- 1.8L Duratec-HE (M14)/2.OL
Duratec-HE (M 14) (309-00,
Removal and Installation).
Blue smoke Engine burning oil. CARRY OUT a controlled oil
consumption test over
I000 km
(600 miles). CONFIRM that the
oil consumption is less than 0.1
litre per 1000 km (600 miles).
2006.0 Fiesta 1212006 GI 65371 en
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Page 827 of 1226

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
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Page 828 of 1226

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
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Page 829 of 1226

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
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