ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

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Catalyst Monitor Sensor - 1.25L Duratec-16V (Sigma)-1.3L Duratec-8V (Rocam)-1.4L Duratec-16V (Sigma)-1.6L Duratec-16V (Sigma)-2. > < Engine Coolant Temperature (ECT) Sensor - 2.0L Duratec-HE (MI4)

Fiesta 2002.25 (11.2001-)

Electronic Engine Controls - Heated Oxygen Sensor (HO2S) Fiesta 2002.25 (11/2001-)
Removal and Installation

Special Tool(s)

Socket, Fuel Injector (22mm)

310-063 (23-050)

Removal

  1. Remove the air cleaner. For additional information, refer to Section  303-12 Intake Air Distribution and Filtering.

  1. Disconnect the ignition coil pack electrical connector.

  1. Detach the ignition coil pack and position it to one side

  1. Disconnect the HO2S electrical connector.

  1. Remove the exhaust manifold heat shield.

  1. Using the special tool, remove the HO2S.

Installation

CAUTION:
CAUTION:When installing a new HO2S, it is possible that the new component will be supplied with a longer cable than the one removed. It is important that the cable is routed and secured in such a way that it cannot be damaged by heat or moving components and will not cause a noise, vibration or harshness (NVH) issue.
  1. To install, reverse the removal procedure.

Catalyst Monitor Sensor - 1.25L Duratec-16V (Sigma)-1.3L Duratec-8V (Rocam)-1.4L Duratec-16V (Sigma)-1.6L Duratec-16V (Sigma)-2. > < Engine Coolant Temperature (ECT) Sensor - 2.0L Duratec-HE (MI4)