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Diagnostic Aids

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A vacuum leak or a pinched vacuum line may cause a DTC P0236. Check all of the vacuum lines and the components that are connected to the hoses for any leaks or sharp bends. Check the vacuum source. Also check for proper vacuum line routing.

The turbocharger actuator uses a pulse width modulated vacuum solenoid that causes the vacuum to fluctuate during normal conditions. A steady vacuum reading indicates a restricted solenoid vent filter or a solenoid vent orifice.

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