P0458 BMW - Evaporative Emission Purge Solenoid Control Circuit Low Voltage
Repair Importance Level:
Repair Difficulty Level:
- Faulty Evaporative Emission (EVAP) Purge Solenoid Control
- Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
- Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection
When is the code detected?
The Engine Control Module (ECM) has detected a low voltage on the canister purge solenoid with the driver commanded off
- Engine Light ON (or Service Engine Soon Warning Light)
P0458 BMW Description
The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
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