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All codes

P0506

Low urgency

Idle Control System RPM Lower Than Expected

What this code means

Idle speed is below target and the ECU cannot raise it - something is loading or choking the idle circuit.

Common symptoms

Most common causes

Can you keep driving?

Safe to drive - a throttle body clean fixes most cases cheaply.

Do not guess in the dark

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Find a repair shop

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Descriptions are for guidance only. Accurate diagnosis requires a workshop inspection.