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Engine Control System DTC Diagnostics (P0335 - P0523)
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DTC Troubleshooting
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DTC Troubleshooting: P0521 (3.5L Engine)
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Overview
DTC Troubleshooting: P0521 (3.5L Engine): Overview
If the engine oil pressure sensor output voltage is lower than a specified value, the PCM determines an abnormality and stores the DTC.