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VTEC Solenoid Valve Test

WARNING: This page is about a different car, the 2003 Acura 3.2CL, 2002 Acura 3.2CL, and 2001 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect harness connector from the VTEC solenoid valve.
  2. Measure resistance between the terminal and body ground. See Fig 1.
  3. If the resistance is within specifications, remove the VTEC solenoid valve/oil filter assembly (A) from oil pump, and check the VTEC solenoid valve filter (B) for clogging. If there is clogging, replace the engine oil filter and the engine oil. See Fig 2.
  4. If the filter is not clogged, push the VTEC solenoid valve with you finger and check its movement. If the VTEC solenoid valve is normal, see Fig 3. Check the engine oil pressure. See TESTING .
Fig 1: Measuring Resistance Between Terminal & Body Ground
G00297639Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Removing VTEC Solenoid Valve/Oil Filter Assembly
G00297640Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 3: Pushing VTEC Solenoid Valve With Finger
G00297641Courtesy of AMERICAN HONDA MOTOR CO., INC.
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