How do I fix error code P2646?

What repairs can fix the P2646 code?

  1. Replacing the ‘A’ rocker arm actuator.
  2. Repairing the wiring harness or connector to the actuator.
  3. Changing the oil and filter to the correct viscosity oil.
  4. Flush the engine passages of sludge from lack of oil changes.

What is a rocker arm pressure switch?

In vehicles equipped with VTEC, the rocker arm control solenoid supplies hydraulic pressure to the variable timing and lift mechanism. This allows the VTEC system to adjust valve timing and lift as needed.

Can you unplug VTEC solenoid?

Unplugging the solenoid won’t damage your motor, it will just run like poop above 6k.

How do I fix error code P2647?

What repairs can fix the P2647 code?

  1. Adding or changing the engine oil.
  2. Replacing the timing belt or chain as well as other timing components.
  3. Replacing the oil control valve or other variable valve timing components.
  4. Repairing or replacing wiring or connectors that are associated with the variable valve timing system.

How much does it cost to fix a rocker arm actuator?

Because rocker arm repair is tedious work, it can be time intensive so hiring an auto mechanic or dealership to do the job is not cheap. Expect to pay anywhere from $500 to $1,500 (parts + labor) depending on the vehicle.

What does the p2647 code mean on a Honda Civic?

| P2647 HONDA Meaning The VTEC system activates the rocker arm oil control solenoid (VTEC solenoid valve) by command from the engine control module (ECM)/powertrain control module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that switches valve timing between Low and High.

What are the common causes of code p2647?

What are the common causes of code P2647? 1 Low engine oil level or oil pressure condition 2 Defective VVT/VTEC pressure switch 3 Faulty rocker arm actuator 4 Broken or loose rocker arm 5 Open/shorted wiring/connector in the rocker arm actuator circuit More

What causes the p2647 code on a rocker arm actuator?

If the PCM detects a level of resistance from the rocker arm actuator circuit indicating that it is stuck in the on (valve open) position, a code P2647 will be stored and a malfunction indicator lamp may be illuminated. What are the common causes of code P2647?

What causes the p2652 OBD-II trouble code?

The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem.