What does the rocker arm actuator do?
What does the rocker arm actuator do?
The rocker arm actuator is an oil pressure switch which controls the flow of oil to critical upper engine cylinder head components.
What is code P2646 on a Honda Odyssey?
Diagnostic trouble code (DTC) P2646 points to slightly different things on different Honda vehicles, including the 2007 Odyssey — “Rocker arm oil pressure switch circuit low voltage” on the J35A6 engine, or “VTEC system stuck off” on the J35A7 engine. The 2007 honda odyssey code means vtec system stuck off.
How do I fix error code P2649?
What repairs can fix the P2649 code?
- Replacing the ‘A’ rocker arm actuator.
- Repairing the wiring harness or connector to the actuator.
- Following the manufacture pinpoint test to isolate faults in the system.
What is a rocker arm actuator system performance Stuck Off Bank 1?
The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.
How do I fix error code P2646?
What repairs can fix the P2646 code?
- Replacing the ‘A’ rocker arm actuator.
- Repairing the wiring harness or connector to the actuator.
- Changing the oil and filter to the correct viscosity oil.
- Flush the engine passages of sludge from lack of oil changes.
What is code P2646?
Diagnostic Trouble Code (DTC) P2646 code stands for “A” Rocker Arm Actuator System Performance/ Stuck Off (Bank 1).” It’s a generic OBD-II powertrain code supported by a variety of makes and models. This allows the VTEC system to adjust valve timing and lift as needed.
How much is a rocker arm?
A single rocker arm itself costs between $15 and $60 depending on the vehicle and whether it’s an intake or exhaust rocker arm.
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.
How do I fix code P2646?
What is code P2646 mean?
Rocker Arm Actuator System Performance/ Stuck Off
Diagnostic Trouble Code (DTC) P2646 code stands for “A” Rocker Arm Actuator System Performance/ Stuck Off (Bank 1).” It’s a generic OBD-II powertrain code supported by a variety of makes and models. VTEC is a variable valve timing system developed by Honda to improve your vehicle’s fuel efficiency.
What does the p2646 code on a rocker arm actuator mean?
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 the DTC code for error p2646?
P2646 is a diagnostic trouble code (DTC) for “‘A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1”.
What does Bank 1 mean on a p2646 trouble code?
Bank 1 in the definition indicates the engine side where the cylinder 1 is present and the letter ‘A’ indicates the Intake camshaft. So getting the P2646 trouble code means that the electronic control module of your vehicle has detected some problem in getting feedback from the rocker arm actuator.
What does the OBD code p2646 mean on a Dodge Ram?
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.
