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Acura
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2019
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RDX Technology, AWD
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Repair and Diagnosis
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Engine Performance
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Engine Control System - DTC Diagnostics (P1659 - U0047)
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DTC Troubleshooting
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DTC P2652
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Inspection
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VTEC System Oil Passage Inspection
VTEC System Oil Passage Inspection
Test Procedure
Check for debris or CLOGGING on the VTEC system oil passage.
Results
If it is abnormal, there is a problem with the VTEC system oil passage.