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Home >> Mazda >> 2003 >> B4000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0340: Camshaft Position Sensor Malfunction >> Detection Condition
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Detection Condition

P0340 indicates Camshaft Position (CMP) sensor circuit failure. CMP sensor is a magnetic transducer. CMP sensor detects position of camshaft and identifies when piston No. 1 is on its compression stroke. A signal is sent to PCM. PCM uses signal to synchronize firing of fuel injectors.

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