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Intake Manifold Pressure High
The turbocharger is producing excessive boost pressure beyond normal operating parameters. Over-boost conditions can cause pre-detonation, excessive cylinder pressures, head gasket failure, and potential engine damage. This fault is often accompanied by black smoke and engine knocking.
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High intake manifold pressure (overboost) indicates the turbocharger is producing more boost than designed. This is usually caused by a stuck wastegate or failed boost control system.
Yes, sustained overboost can cause detonation, head gasket failure, piston damage, and connecting rod failure. Stop the engine and repair before continuing operation.
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