P0236Turbocharger/Supercharger Boost Sensor "A" Circuit Range/Performance
The boost pressure A signal stays within electrical limits but does not match expected values for the current operating point. Typical causes are leaking charge piping, a stuck wastegate, or sensor drift.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
Sistema Afectado
Aire / Combustible · Inyección, MAF, MAP, O₂
Relacionado con la mezcla aire-combustible: sensores de flujo, presión, inyectores o bomba.
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Symptoms You Will Notice
What you may observe when this code appears
- Check engine light on Significant power loss / limp mode Possible blue or black smoke from exhaust Whistling or hissing sound from intake
Possible Causes
The components or conditions that trigger this code
- 1Charge air piping leaking Wastegate stuck or seized Sensor drift
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-3.5 hours. Estimated cost: €80-€
- 2DIY possible
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Sensors + injectors
* Diagnosis only: $50–$150
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