Range Rover County LWB (LH) V8-4.2L (1993)
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3. Stop engine, remove blanking hoses. Reconnect hose to plenum.
4. Fit new tamper proof plug.
5. Check fault code display, and clear the ECM memory.
Land Rover Workshop Service and Repair Manuals
Air Cleaner Housing >
< Base Idle Speed - Revised Checking/Setting Procedure|Page 4663
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