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How do you fix p0473- exhaust pressure sensor 1 high on Dodge cummins 6.7 diesel?
Wiki User
∙ 11y ago
Pull egr tube and check for blockage. clean as required and clear code. if code come back replace sensor
The little tube along the passenger side of the engine will be plugged with soot at the thermostat housing.
Wiki User
∙ 11y ago
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