What is the rocker arm actuator?

The rocker arm actuator is an oil pressure switch which controls the flow of oil to critical upper engine cylinder head components. The actuator will measure how much oil is flowing through it and report it to the ECM.

What is a rocker arm actuator system performance?

OBD-II Code P2646 is defined as a “A” Rocker Arm Actuator System Performance/Stuck Off. 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.

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.

How do you fix a rocker arm actuator?

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.

Is it hard to replace a rocker arm?

When you hear a rapid ticking sound coming from the engine, there is an issue with the rocker arms. It does not take very ling to replace a rocker arm and you can complete the project in your driveway.

Is it bad to drive with a bad rocker arm?

With broken or loose rocker arms, the exhaust valves and intake valves can’t function correctly and the cylinder associated with the faulty rocker arm will be disabled. This will ultimately limit the performance of your engine and your ability to drive the car smoothly and safely.

Can you still drive with a bad rocker arm?

How do you diagnose a bad rocker arm?

Bad Rocker Arm Symptoms

1. 1) Weak Engine Performance.
2. 2) Strange Noises.
3. 3) Deterioration.
4. 4) Check Engine Warning Light.
5. 5) Engine Stall.

What is the diagnostic trouble code for rocker arm?

P2646 is a diagnostic trouble code (DTC) for “‘A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1”.

What does a’a’rocker arm actuator system mean?

‘A’ Rocker Arm Actuator System Performance or Stuck Off Bank 1 What the P2646 code means P2646 is an OBD-II generic code for the engine control module (ECM) detecting the ‘A’ rocker arm actuator control circuit for bank 1 has a performance problem or is stuck in the off position.

Why is the rocker arm on my car stuck?

There are a few possible root causes here. Your engine uses a valve system that essentially has two camshfts, one foor low RPM operation and one for high RPM operation.

Why is the rocker arm actuator code p2652?

It is fairly serious because the rocker arm actuator controls the oil flow to critical upper engine components. The rocker arm actuator must be in working order for the engine to receive proper lubrication. Lack of lubrication is a common cause of engine failure. What repairs can fix the P2652 code?

What does it mean when your rocker arm is stuck?

The P2646 code indicates the problem with the rocker arm actuator which means either the actuator is not working properly or it is stuck in the off position. Bank 1 in the definition indicates the engine side where the cylinder 1 is present and the letter ‘A’ indicates the Intake camshaft.

What is trouble code for rocker arm actuator?

The definition of this code is ” ‘A’ Rocker Arm Actuator System Performance/ Stuck off Bank 1″. So as you can see, it is very difficult to understand anything about this code with just this definition so in case you are getting this trouble code this article will be very informative to you.

What does the rocker arm control solenoid do?

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. The engine’s control module (PCM) uses the Rocker Arm Oil Pressure Switch to verify correct oil pressure for proper activation of the Variable Timing mechanism.

What does error code p2646 mean on Honda?

On-Board Diagnostics is a built-in system in your vehicle for diagnosing problems, it sets error codes which in turn tells you about which part of your vehicle is not working properly. There are different codes for different troubles. What does P2646 Honda trouble code indicate?