Secondary Air System Bank 1
1992-1996 BMW 318is E36 1.8L I4 🇨🇦
Description
The DME detected a malfunction in the secondary air injection system for Bank 1. The secondary air system pumps fresh air into the exhaust manifold during cold starts to reduce hydrocarbon emissions.
Symptoms
- Check Engine Light
- Failed emissions test
- Rough cold start idle
- Unusual noise from air pump on startup
Common Causes
- Faulty secondary air pump
- Secondary air valve stuck closed
- Clogged air passages in exhaust manifold
- Faulty secondary air pump relay
- Check valve failure
Diagnostic Steps
- Listen for air pump operation during cold start
- Test air pump relay
- Check for voltage at air pump connector
- Inspect air passages for carbon blockage
- Test air pump by direct power application
Repair Notes
Replace faulty secondary air pump or clean clogged air passages in the exhaust manifold.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1415 on Other Vehicles
Common Questions
What does code P1415 mean on a 1992-1996 BMW 318is E36?
P1415 stands for "Secondary Air System Bank 1". The DME detected a malfunction in the secondary air injection system for Bank 1. The secondary air system pumps fresh air into the exhaust manifold during cold starts to reduce hydrocarbon emissions.
What are the symptoms of P1415 on a BMW 318is E36?
Common symptoms of P1415 include: Check Engine Light, Failed emissions test, Rough cold start idle, Unusual noise from air pump on startup.
What causes P1415 on a 1992-1996 BMW 318is E36?
Common causes of P1415 include: Faulty secondary air pump, Secondary air valve stuck closed, Clogged air passages in exhaust manifold, Faulty secondary air pump relay, Check valve failure.