Workshop Manuals Factory service & repair Rover
Rover 400 Workshop Manual Supplement (1999)05 · Engine management system - MEMS
05 · Engine

Heated oxygen (ho2s) sensor

Make
Rover
Model
400 Workshop Manual Supplement
Year
1999
Section
Repairs › Heated oxygen (ho2s) sensor
Engine management system - MEMSHeated oxygen (ho2s) sensor · page 1 of 2

HEATED OXYGEN (HO2S) SENSOR

Service repair no - 19.22.16

Remove

  1. Disconnect battery earth lead.
Heated oxygen (ho2s) sensor – Disconnect battery earth lead.
  1. Release HO2S multiplug from bracket on coolant rail.
  2. Disconnect multiplug.
Heated oxygen (ho2s) sensor – Disconnect multiplug.
  1. Using a 22 mm open ended spanner remove HO2S and collect sealing washer.

Refit

  1. Fit sealing washer to HO2S.
  2. Fit HO2S and tighten to 55 Nm.
  3. Connect HO2S multiplug to harness and secure multiplug to bracket on coolant rail.
  4. Connect battery earth lead.

FUEL RAIL

Service repair no - 19.60.04

Remove

  1. Disconnect battery earth lead.
  2. Position absorbent cloth around fuel filter outlet union.
Fuel rail – Position absorbent cloth around fuel filter outlet union.
  1. Loosen union to relieve fuel pressure, then re-tighten to 30 Nm.

CAUTION: To prevent damage to fuel system pipes or components, use two spanners when loosening or tightening unions.

  1. Remove inlet manifold chamber. See MANIFOLD & EXHAUST SYSTEMS, Repairs.

Parts & tools for this job For 1999 Rover 400

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