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P0026moderate severityPowertrain

Intake Valve Control Solenoid Circuit Range/Performance Bank 1

on 2020 Mercedes-Benz EQC Electric · AWD

What this code means

The intake camshaft control solenoid on bank 1 is not responding as expected. This affects variable valve timing and can hurt performance and fuel economy.

Symptoms

  • Rough idle
  • Poor acceleration
  • Check engine light on

Common causes

  • Dirty or stuck VVT solenoid
  • Low or dirty engine oil
  • Faulty oil control valve
  • Wiring or connector fault

Diagnostic steps

  1. Scan for VVT codes
  2. Check engine oil level and condition
  3. Test solenoid resistance and operation
  4. Inspect wiring and connectors

Other Powertrain codes on this vehicle

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