Measure The Compression Pressure (Engine-1.3L Duratec-8V (Rocam)) - Ford 2007 WQ Fiesta Repair Manual

303-00-22 Engine System
-
General Information 303-00-22
DIAGNOSIS AND TESTING
1 1 . Install the fuel pump relay.
I2 Install the air cleaner.
REFER to: Air Cleaner
-
1.25L Duratec-1 6V
(Sigma)/l.4L Duratec-16V (Sigma)/l .6L
Duratec-I 6V (Sigma) (303-1 2 Intake Air
Distribution and Filtering, Removal and
Installation).
13 Using worldwide diagnostic system (WDS), clear
the fault codes from the PCM.
Measure the compression ressure
(Engine
-
1 .3L Duratec-8V
P
Rocam))
N0TE:Twist the spark plug connectors slightly
1. Open the central junction box (CJB) and remove
the fuel pump relay.
before disconnecting them. Pull on the connector
and not on the cable.
5. Disconnect the spark plug connectors.
N0TE:The engine will start, run for a few seconds
and then stop.
6. Remove the spark plugs.
2. Start the engine.
3. Remove the air cleaner.
REFER to: Air Cleaner
-
1.3L Duratec-8V
(Rocam) (303-12 Intake Air Distribution and
Filtering, Removal and Installation).
N0TE:Operate the starter motor with wide open
throttle until the reading on the compression tester
stops rising.
7. Carry out the measurement in accordance with
the instructions supplied with the measuring
device on every cylinder using a suitable
4. Disconnect the electronic ignition (El) coil
compression pressure recorder with the suitable
(:
electrical connector from the El coil.
adapter.
2006.0 Fiesta
1212006 GI 52554en