How do I fix error code P2647?

What repairs can fix the P2647 code?

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

What is P2647?

What Does P2647 Code Mean? OBD-II Code P2647 is defined as a “A” Rocker Arm Actuator System Stuck On. The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. This allows the Variable Timing System to adjust valve timing as needed.

What causes a P2647 code Acura TL 2005?

P2647 is a code for the VTEC oil pressure switch. This code is sometimes accompanied by an inability for the VTEC to physically engage, so the car won’t rev above 3000 RPM or so. Make sure that your oil level is full and that you are using either 5W-20 or 5W-30 oil – do not use a higher viscosity.

What is VTEC oil pressure switch?

VTEC stands for Variable Valve Timing with Electronic Control. The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid. When the VTEC oil pressure switch closes, the voltage should drop to zero. This is how the PCM knows if oil pressure was applied to the VTEC system.

Can you drive with code p2647?

You can still drive the vehicle till you get this fixed, the reason for the CK ENG LT is to protect the catalytic convertor and the catalytic convertor protects the environment from harmful emission from the engine, you drive this too long you degrade the catalytic convertor.

How do I know if my VTEC is working?

SO MAKE SURE YOUR CAR IS WARMED UP AND YOU HAVE A SUFFICENT OIL LEVEL. When the wires touch you should definately feel a differance, well, that is if your vtec is working.

What are the symptoms of a bad VTEC solenoid?

Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid

Check Engine Light comes on. Since today’s modern cars are controlled by an Engine Control Unit (ECU), virtually all individual components are monitored by the ECU.
Engine oil is dirty.
Rough engine idle.
Decrease in fuel economy.

What is a rocker arm actuator system stuck on bank 1?

When an OBD-II equipped vehicle has stored a code P02647, it means that the powertrain control module (PCM) has detected a valve train (rocker arm) malfunction for engine bank one. Bank 1 denotes that the problem has occurred in the bank of the engine which contains the number one cylinder.

How do I bypass the VTEC oil pressure switch?

The VTEC Oil Pressure Switch Wiring can be easily bypassed as follows:

Locate the VTEC Oil Pressure Switch Plug on your engine harness (this wire comes from OBD1 ECU Pin D6).
Simply TAP this wire into the VTEC Solenoid Valve Wire (the VTEC solenoid wire comes from OBD1 ECU Pin A4).

How much is a rocker arm?

The cost to replace one rocker arm is generally between $500 and $1,000. In most situations, you’ll probably have to replace multiple rocker arms too because they tend to wear out or go bad inside your vehicle at the same time.

How do I bypass a VTEC pressure switch?

This can be easily bypassed with a simple wiring trick: On your engine harness, locate the VTEC oil pressure switch plug/wire (this wire comes from OBD1 ECU pin D6). Use a common T-tap or other method and simply tap this into the VTEC solenoid valve wire (the VTEC solenoid wire comes from OBD1 ECU pin A4).

What does the p2647 Honda engine code mean?

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. The cost to diagnose the P2647 HONDA code is 1.0 hour of labor.

What can set the p2652 code on an engine?

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.

Is there an easy fix for the p2647 error code?

It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM

Where does the ECM and PCM monitor oil pressure?

The ECM/PCM monitors oil pressure in the hydraulic circuit of the VTEC mechanism using the rocker arm oil pressure switch (VTEC oil pressure switch) downstream of the rocker arm oil control solenoid (VTEC solenoid valve).

It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM