I have a code 1338 and 1497 trying to find out what trigger them

Question

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Answer 1

P1338 Inlet camshaft sensor

P1497 Intake manifold unmeter air

P1338 is P0340 , with P1497 is vacuum leak that is unmetered after the MAF (mass airflow) , If this vehicle has a turbo do the update for the oil starve The TSB # SI M11 05 13, This is where a heat shied is added to the trubo charger oil supply line to prevent turbo charger failure,