P0243moderate severityPowertrain
Turbocharger/Supercharger Wastegate Solenoid A
on 1997 BMW 318ti E36 1.9L I4 M44 · RWD
What this code means
Malfunction in the wastegate solenoid A.
Symptoms
- Check Engine Light
- Overboosting or underboosting
- Limp mode
Common causes
- Faulty wastegate solenoid
- Wiring damage
- Stuck wastegate
Diagnostic steps
- Test solenoid resistance
- Check wiring
- Inspect wastegate
Repair notes
Replace wastegate solenoid.
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P0002
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P0004
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P0010
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P0011
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P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1