check oil FORD FIESTA 2007 Owner's Guide
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Page 900 of 1226

Engine Emission Control - 2.OL Duratec-HE
303-08B-6
(MI41 303-08B-6
DIAGNOSIS AND TESTING
Engine Emission Control
lnspection and Verification
General Equipment Visual Inspection Chart L..
I. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical
or electrical damage.
Worldwide Diagnostic System
(WDS)
- Hose(s)/hose joints
- Gasket(s)
- Positive crankcase
ventilation (PCV)
valve
- PCV separator
Mechanical
- Exhaust gas recircu-
lation (EGR) valve
Electrical
- Electrical
con
nector(s)
- Wiring harness
- Fuse(s)
- Relay
- EGRvalve
- Powertain control
module (PCM)
3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the concern is not visually evident, verify the
symptom and refer to the Symptom Chart.
Symptom Chart
Symptom Chart
Symptom Possible Sources Action
I
Poor engine performance EGR valve.
Using WDS, CHECK the EGR
Valve Duty Cycle input signal
I to the EGR vacuum regulator
valve. If the result is 0%,
REMOVE the EGR valve.
REFER to Exhaust Gas Recir-
culation (EGR) Valve
- in this
section.
INSPECT the EGR valve and
valve seat for damage. Make
sure that the EGR valve is in
the closed position. If the EGR
valve is not closed. INSTALL
a
new EGR valve. TEST the
system for normal operation. If
the result is not 0% continue
the engine diagnostic using
WDS.
2006.0 Fiesta 1212006 G334290en
Excessive crankcase pressure Blocked or damaged PCV
hose(s).
Blocked crankcase vent oil
separator. CHECK
the PCV system
components for blockages, CLEAN or INSTALL new
components as necessary.
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Page 912 of 1226

303-1 2-8 Intake Air Distribution and Filtering 303-1 2-8
DIAGNOSIS AND TESTING
Svm~tom Possible Sources Action
Oil in the air intake system Blocked or damaged positive
crankcase
ventilation (PCV)
valve.
Blocked or damaged PCV
pipe(s)/hose(s).
Blocked or damaged crankcase
vent
oil separator.
Vehicles with 1.25L Duratec-
16V
(Sigma)/l.3L Duratec-8V (
(Rocam)/l.4L Duratec-I 6V
(Sigma)/l .6L Duratec-1 6V
(Sigma) engine.
REFER to: Crankcase Vent
Oil
Separator (303-08 Engine
Emission
Control - 1.3L
Duratec-8V (Rocam)/l.25L
Duratec-I 6V (Sigma)/l.4L
Duratec-I 6V (Sigma)/l .6L
Duratec-1
6V (Sigma),
Removal and Installation).
Vehicles with 2.0L Duratec-HE
(M14) engine.
REFER to: Crankcase Vent
Oil
Separator (303-08C Engine
Emission
Control - 2.OL
Duratec-HE (M14), Removal
and Installation).
Turbocharger (Vehicles with
Duratorq-TDCi (DV)
Diesel
engine or 1.6L Duratorq-TDCi
(DV)
Diesel engine).
Vehicles with 1.4L Duratorq-
TDCi (DV)
Diesel engine.
REFER to: Turbocharger (303- 04
Fuel Charging and
Controls - Turbocharger -
1.4L Duratorq-TDCi (DV)
Diesel, Removal and Installa-
tion).
Vehicles with I .6L Duratorq-
TDCi (DV)
Diesel engine.
REFER to: Turbocharger
- I .6L
Duratorq-TDCi (DV)
Diesel
(303-04 Fuel Charging and
Controls - Turbocharger -
1.6L Duratorq-TDCi (DV)
Diesel, Removal and Installa-
tion).
Water in the air cleaner Detached air cleaner intake
pipe. CHECK
the air cleaner intake
pipe for security. INSTALL new
intake air system components
as necessary. TEST the
system for
normal operation.
Blocked air cleaner drain. CLEAN
the air cleaner drain.
TEST the system for
normal
operation.
Engine lacks power
Air cleaner element blocked. INSPECT the air cleaner for ,.
new air cleaner element as
i signs of blockage. INSTALL a .
necessary. I_
2006.0 Fiesta 1212006 G421937en
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Page 939 of 1226

303-1 4-1 5 Electronic Engine Controls 303-1 4-1 5
DIAGNOSIS AND TESTING
Monitors
The purpose of the monitors is to continuously
check the operation of the emission related sensors
and actuators. It then establishes if they are
operating within specified tolerances. All monitors
carry out their functions in such a way as to be
unnoticeable by the driver of the vehicle. Each one
is carried out under specific conditions of load,
speed and engine temperature. The Comprehensive Component Monitor, Combustion
Misfire Monitor and
AirIFuel Ratio Monitor operate
continuously. The remaining monitors are only
invoked under certain operating conditions. On
diesel variants, all of the monitors operate under
normal driving conditions: There are no monitors
which intervene and cause special operating
modes to enable the monitors to work. Some diesel
monitors are non-continuous. This means that in
a drive cycle, monitoring is done as and when
suitable driving conditions exist and potential faults
are accumulated and compared with acceptance
criteria. Examples of this type are the turbocharger
boost pressure and exhaust gas recirculation
(EGR) monitors on vehicles with common rail fuel
injection.
( Comprehensive Component Monitor (CCM)
When the CCM detects a component operating out
of tolerance, it sets a Diagnostic Trouble Code
(DTC), which is stored in the EEPROM. If the same
concern is confirmed during the next trip the MIL
will be switched on. The CCM monitors many
components, sub-systems and signals. The
following is a list of those that can effect emissions
depending on application:
Electronic Ignition (El) System.
Crankshaft Position (CKP) Sensor.
Ignition Coil.
Electronic Throttle Control Unit.
Camshaft Position (CMP) Sensor.
Air Conditioning
(AIC) Clutch.
Idle Air Control (IAC) Valve.
Mass Air Flow (MAF) Sensor.
Manifold Absolute Pressure (MAP) Sensor.
Intake Air Temperature (IAT) Sensor.
Engine Coolant Temperature (ECT) Sensor.
Cylinder Head Temperature (CHT) Sensor.
Heated Oxygen Sensor
(H02S).
Catalyst Monitor Sensor.
Charge Air Temperature Sensor.
Knock Sensor (KS).
Throttle Position (TP) Sensor.
Vehicle Speed Sensor (VSS).
Boost Pressure Sensor.
Cam-Crank Phasing Sensor.
EEPROM.
High Pressure Fuel Injection Pump.
Exhaust Gas Recirculation (EGR) Valve Monitor.
Fuel Injectors.
Turbocharger.
Combustion Noise Monitor.
Barometric Pressure (BARO) Sensor.
Combustion Misfire Monitor (All except vehicles
with diesel engine)
The combustion misfire monitor operates independently of the others, and can detect misfires
caused by the ignition system, fuel system or
mechanical engine components. As each cylinder
fires, a characteristic crankshaft acceleration is
produced. The monitor detects irregularities in the
acceleration pattern using the crankshaft position (CKP) sensor, thus detecting the misfire. It can
also detect which cylinder has misfired.
Combustion misfires can be categorized as follows:
Type
A: These can cause catalytic converter
damage due to excessive internal temperatures.
If a certain number of misfires occur over a
pre-determined number of engine revolutions, the
MIL will be switched on to alert the driver of the
concern.
Type B: These can lead to an increase in emissions
to a point above the EOBD threshold. If the misfire
is detected during a second trip, over a,
pre-determined number of engine revolutions, the
MIL will be switched on. If the misfire does not
occur over the next three trips, the MIL will be
extinguished
AirIFuel Ratio (AFR) Monitor (All except vehicles
with diesel engine)
The H02S fitted before the catalytic converter
(upstream) measures the oxygen content of the
exhaust gas and the variations in it. This then
enables the PCM to adjust the opening times of
the fuel injectors to maintain the correct AFR. This
is known as Short Term Fuel Trim (STFT). If the
same variation is registered a pre-determined
number of times, a permanent correction factor is
applied. This is known as Long Term Fuel Trim
(LTFT), which is stored in the EEPROM. When the
correction factors exceed pre-determined limits a
DTC will be set in the EEPROM. If a concern is
2006.0 Fiesta 1212006 G384566en
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Page 943 of 1226

Electronic Engine Controls
DIAGNOSIS AND TESTING
I PO304 I Cylinder No. 4 misfire detected I
/ I
KS implausible signal I
MIL Code
PO303
PO31 5
PO324
1 PO335 1 Crankshaft position (CKP) sensor implausible signal I
Description
Cylinder No. 3 misfire detected
Flywheel segment adaptation at the Limit
Knock sensor (KS) communication error or implausible signal
1 PO336 1 CKP sensor missing teeth I
1 PO336 1 CKP sensor loss of synchronization I
1 PO336 1 CKP sensor no signal I
I PO340 I Camshaft position (CMP) sensor no signal I
I PO341 I CMP sensor implausible signal I
I PO351 I Ignition coil A primary malfunction I
1 PO352 1 Ignition coil B primary malfunction I
I PO420 I Catalyst system efficiency below threshold I
1 PO444 1 Evaporative mission canister purge valve open circuit I
1 PO458 1 Evaporative mission canister purge valve low voltage I
I '1 PO459 1 Evaporative mission canister purge valve high voltage I
I PO460 I Fuel tank level malfunction from instrument cluster I
-3 I VSS signal too high I
PO500
PO500
Vehicle speed sensor (VSS) signal malfunction
Vehicle speed via CAN (VS CAN) implausible signal
PO51 1
PO560
I PO603 I Powertrain control module (PCM) error NVMY or EEPROM error 1
Idle air control (IAC) valve circuit malfunction
Battery system voltage malfunction high voltage
PO562
PO571
I PO604 I PCM error RAM error I
Battery system voltage malfunction open circuit
Brake switch plausibility error
PO605 I PCM error checksum error I
I PO610 I VID block checksum not correct or not programmed I
I PO617 I Starter relay malfunction I
I PO620 I Generator circuit malfunction I
1 PO628 1 Fuel pump primary circuit low voltage I
I
7 1 Fuel pump primary circuit high voltage I
2006.0 Fiesta 1212006 G384566en
PO625
PO626
Generator low voltage
Generator high voltage
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Page 1008 of 1226

Automatic TransmissionlTransaxle -
Vehicles With: 4-Speed Automatic
307-01 -48 Transmission (AW81-40) 307-01 -48
DIAGNOSIS AND TESTING
Stall Speed Test
This test checks the operation of the following
components:
1
Test Results
Lower than specification in 'Dl (DRIVE) and 'R'
(REVERSE)
Lower than specification in
'Dl (DRIVE)
Lower than specification in
'R' (REVERSE)
torque converter
forward clutch
low one way clutch assembly
engine performance
Possible Source
Pressure control solenoid inoperative or open wire
harness.
Pressure regulator valve sticking.
Worn oil pump.
Oil strainer blocked.
Fluid leak from each clutch hydraulic circuit.
Drive hydraulic circuit failure.
Forward clutch failure.
Reverse hydraulic circuit failure. Reverse clutch failure.
First and reverse brake failure.
WARNINGS:
A Do not maintain wide open throttle (WOT)
in any range for more than five seconds.
A If the engine speed (rpm) recorded by the
tachometer exceeds maximum specified
rpm, release the accelerator pedal
immediately. Clutch or band slippage is
indicated.
N0TE:The stall speed test should be carried out
with the engine and transaxle at normal operating
temperatures (50°C to 80°C).
A Apply the parking brake firmly while N0TE:Prolonged use of this procedure may set
carrying out each stall test. DTC PO71 2. After carrying out the stall speed test,
A Apply the foot brake firmly while carrying run the OBD test and clear the DTCs.
out each stall test. I. Connect a tachometer to the engine.
CAUTIONS:
A Always carry out the line pressure test
before carrying out the stall speed test. If
the line pressure is low at idle, do not carry
out the stall speed test or further transaxle
damage will occur.
A After testing each of the following ranges
'D'
(DRIVE) and 'R' (REVERSE), move the
selector lever to
'N' (NEUTRAL) and run
the engine at 1000 rpm for approximately
one minute to allow the torque converter
to cool.
2. Press the accelerator pedal to the floor WOT in
each selected range. Record the rpm reached
in each selected range and refer to the stall
speed chart.
3. If the stall speed is not within specification, refer
to the stall speed diagnosis chart.
Stall S~eed Chart
I Engine 1.6L I Speed (rpm) I
I 'Dl (DRIVE) I 2500 2 150 1
'R' (REVERSE) 2420 +, 150 -
Stall
Speed Diagnosis Chart
2006.0 Fiesta 1212006 G371498en
Test Results
Lower than specification in ID' (DRIVE) and 'R'
(REVERSE)
Possible Source
Low engine power.
Torque converter one-way clutch failure.
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Page 1011 of 1226

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
307-01 -51 Transmission (AW81-40) 307-01 -51 -
GENERAL PROCEDURES
~ransmission Fluid Level Check
( I General Equipment 5. Using WDS, check that the transmission fluid
Worldwide diagnostic system (WDS) temperature is between 50°C and 60°C.
1 6. Remove the transmission fluid level
Materials
A WARN1NG:Refer to the Material Safety Data
Sheets for the Automatic Transmission
Fluid
E-AW. Failure to follow this
instruction may result in personal injury.
Certain Transmission and Power Steering
fluids supplied to Ford contain additives
which may cause skin irritation or other
skin reactions after contact.
For additional information, refer to: Health
and Safety Precautions (1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
1. N0TE:Make sure that the transmission is not
in emergency operation mode.
Connect the worldwide diagnostic system
(WDS) to the data link connector (DLC). indicator.
Automatic transmission
lfluid
*' AWARNING:M~~~ sure that
the parking
brake control lever is in the fully applied
position. Failure to follow this instruction
may result in personal injury.
Name
Specification
WSS-M2C924-A
Start the engine.
3. Move the transmission selector lever through
all the gear ranges, allow sufficient time for
each position to engage.
4. Move the transmission selector lever to the
"P" (PARK) position. 7.
Check the transmission fluid level and top
up with clean automatic transmission fluid
if necessary.
For additional information, refer to: Health
and Safety Precautions (1 00-00 General
Information, Description and Operation).
See
- Transmission Fluids.
Make sure that, with the transmission in the
"P" (PARK) position, the oil level is between
the "MIN" and "MAX" mark.
v v
MIN 55°C MAX A A
ELE0008136
2006.0 Fiesta 1212006 G371500en
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Page 1029 of 1226

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
REMOVAL AND INSTALLATION
39. Tilt the engine and transaxle assembly Check
the installation depth of the torque
forwards and insert a suitable wooden converter.
/ block. 1. Lay
a straight edge on the transaxle flange.
2. Check the installation depth between the
transaxle flange and the torque converter
centering spigot.
40. Remove the transaxle right-hand retaining
bolts.
41m ~CAUTION:M~~~ sure the torque
converter remains in the transaxle.
3m ~CAUTION:T~~ torque converter must
Using the transmission jack and remove the remain
at the correct installation depth
transaxle. during the entire installation.
N0TE:Secure the transmission with the securing
Installation strap.
N0TE:Make sure that the two locating dowels are
ACAUTION:T~~ torque converter must installed.
remain at the correct installation depth
during the entire installation.
N0TE:Before installing the bolts in the
transmission, the torque converter studs must be
aligned with the holes in the drive plate.
Install the torque converter.
Lubricate the torque converter centering
spigot with grease.
*' ACAUTION:T~~ torque converter hub must
engage fully with the oil pump drive gear.
2006.0 Fiesta 1212006 G371506en
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Page 1061 of 1226

Manual Transmission/Transaxle and Clutch -
308-00-3 General Information 308-00-3
DIAGNOSIS AND TESTING
Manual Transaxle and Clutch
lnspection and Verification
General Equipment selected with the engine running and the parking
brake applied, without any concerns, the clutch
2. If the gear@) cannot be selected, REFER to
Symptom Chart.
Ultraviolet
fluid leak detection equipment
1. Verify the customer concern.
Transaxle noise concerns
2. Visually inspect for obvious signs of mechanical is
OK.
damage. 1. Check the engine and transaxle support for
Oil leaks.
Visibly damaged or worn components.
Visual lnspection Chart insufficient gap between the transaxle and the
body.
REFER to:
RoadlRoller Testing (1 00-00 General
Information, Description and Operation).
Mechanical 2. Road test the vehicle.
4. If the cause is not evident, verify the symptom
and REFER to Symptom Chart.
Oil leakage concerns
Loose or missing nuts or bolts.
( I The following checks should be carried out before
repairing or installing a new transaxle. 1.
Check the transaxle fluid level. If necessary,
3. If a noise occurs in various gears at the same
- - drain off any excess fluid.
The inspection and verification of manual transaxle
concerns can be considered in three main areas. 2. Clean the transaxle and the adjacent areas
carefully and road test the vehicle.
engine speed,
check if the noise also occurs in
3. If an obvious cause for an observed or reported the neutral position.
If it does, the noise is not
concern is found, correct the cause (if possible) caused
by the transaxle.
before proceeding to the next step. 4.
REFER to Symptom Chart.
Gear shifting concerns REFER to: RoadlRoller Testing (1 00-00 General
Information, Description and Operation).
1, Check the operation of the clutch: Lay a block 3. U~ing suitable ultraviolet fluid leak detection
of wood approximately
25 mm thick under the equipment, locate
the leak and check whether
clutch pedal and depress the clutch pedal as the leaking fluid
is transaxle fluid, brake fluid
far as the stop. If first or second gear can be (from the hydraulically operated clutch)
or
engine oil.
4. REFER to Symptom Chart.
Symptom Chart
Symptom Possible Sources Action
I
Clutch slippage Clutch master
cylinder.
Clutch slave cylinder.
Clutch pressure plate.
Clutch disc.
Engine or transaxle housing oil
or fluid
leak@).
GO to Pinpoint Test A.
Clutch chatter or shudder Engine and transaxle
mounts. REFER to:
Noise, Vibration and
Harshness (NVH) (1 00-04,
Diagnosis and Testing).
Clutch pressure plate.
Clutch disc.
Flywheel.
--
GO to Pinpoint Test B.
- -
2006.0 Fiesta 1212006 G25629en
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Page 1065 of 1226

Manual TransmissionlTransaxle and Clutch -
308-00-7 General Information 308-00-7
DIAGNOSIS AND TESTING
TEST CONDITIONS DETAl LSIRESU LTSIACTIONS
PINPOINT TEST
B : CLUTCH CHATTER OR SHUDDER
TEST CONDITIONS
DETAILSIRESU LTSIACTIONS
B1: TEST FOR CLUTCH SHUDDER
Start the engine.
Engage the clutch and select fourth gear.
Run the engine at approximately 2000 rpm.
A3: CHECK THE CLUTCH DISC AND PRESSURE PLATE
rn Remove the clutch disc and pressure plate.
REFER to: Clutch Disc and Pressure Plate
(308-
01 Clutch, Removal and lnstallation).
Is the clutch disc or pressure plate contamin-
ated with oil or hydraulic fluid?
-+ Yes
CHECK the engine and transaxle for leaks.
INSTALL new components as necessary.
TEST the system for normal operation.
-+ No
INSTALL a new clutch disc and pressure
plate.
REFER to: Clutch Disc and Pressure Plate
(308-01 Clutch, Removal and lnstallation).
TEST the system for normal operation.
A4: CHECK THE CLUTCH HYDRAULIC SYSTEM
rn Release the clutch slave cylinder bleed nipple.
Does the pedal return to the initial position?
--+ Yes
INSTALL a new clutch slave cylinder.
REFER to: Clutch Slave Cylinder (308-02
Clutch Controls, Removal and Installation).
TEST the system for normal operation.
--+ No
INSTALL a new clutch master cylinder.
REFER to: Clutch Master Cylinder (308-02
Clutch Controls, Removal and lnstallation).
TEST the system for normal operation.
2006.0 Fiesta 1212006 G25629en
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Page 1066 of 1226

Manual Transmission/Transaxle and Clutch -
General Information
DIAGNOSIS AND TESTING
TEST CONDITIONS
Release the clutch pedal slowly.
Does the clutch take up the drive smoothly?
-+ Yes
Clutch is OK.
-+ No
GO to
B2.
B2: CHECK THE CLUTCH DlSC AND PRESSURE PLATE FOR OIL OR HYDRAULIC FLUID
CONTAMINATION
rn Remove the clutch disc and pressure plate.
REFER to: Clutch Disc and Pressure Plate (308-
01 Clutch, Removal and Installation).
Is the clutch disc and pressure plate contamin-
ated with oil or hydraulic fluid?
-+ Yes
CHECK the engine and transaxle for leaks.
INSTALL new components as necessary.
TEST the system for normal operation.
-+ No
GO to B3.
B3: CHECK THE CLUTCH
DlSC AND PRESSURE PLATE
rn Visually check the clutch disc and pressure
plate.
Is the clutch disc and pressure plate worn or
damaged?
-+ Yes INSTALL a new clutch disc and pressure
plate.
REFER to: Clutch Disc and Pressure Plate
(308-01 Clutch, Removal and Installation).
TEST the system for normal operation.
-+ No
CARRY OUT the flywheel clutch surface
inspection.
REFER to: Flywheel Inspection (303-00
Engine System
- General Information,
General Procedures).
TEST the system for normal operation.
2006.0 Fiesta 12/2006 G25629en
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