P1411 MERCEDES-BENZ - Secondary Air Injection System Malfunction
P1411 MERCEDES-BENZ Possible Causes
- Faulty Secondary Air Injection Downstream (AIR) pump
- Hose off or blocked
- Bypass solenoid stuck open/closed
How is the P1411 MERCEDES-BENZ code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P1411 MERCEDES-BENZ code
Labor: 1.0The cost to diagnose the P1411 MERCEDES-BENZ code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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When is the code detected?The Engine Control Module (ECM) commanded AIR flow ON-No flow detected downstream.
- Engine Light ON (or Service Engine Soon Warning Light)
P1411 MERCEDES-BENZ MeaningSecondary Air Injection Downstream (AIR) Flow. The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system Electric AIR Pump Hose from AIR pump leak AIR bypass solenoid leak/blocked Hose from AIR pump blocked AIR bypass solenoid stuck open/closed In order to test the AIR pump, it must be capable of driving the HO2S lean.
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