What causes code P2646?
What causes the P2646 code? 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.
What does Honda OBDII code p2646 mean?
P2646 HONDA Possible Causes Check engine oil level, oil condition and pressure Faulty Variable Valve Timing and Lift Electronic Control (VTEC) / Rocker Arm Oil Pressure Switch VTEC/Rocker Arm Oil Pressure Switch harness is open or shorted VTEC/Rocker Arm Oil Pressure Switch circuit poor electrical connection What does this mean?
What causes check engine light on Honda Element p2646?
It can get dirty and cause P2646. The VTEC system controls the variable valve timing in your Element. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. When the pressure is lower than the solenoid, the check engine light will come on and you’ll get P2646.
What can I do to fix the p2646 code?
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 the oil pressure switch on a Honda p2646?
P2646 HONDA | Rocker Arm Oil Pressure Switch Circuit Low Voltage | The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from
What is the p2646 code for an engine?
Code P2646 is not a very common code since most vehicles do not have actuators for the rocker arms of the engines they manufacture.
It can get dirty and cause P2646. The VTEC system controls the variable valve timing in your Element. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. When the pressure is lower than the solenoid, the check engine light will come on and you’ll get P2646.
Why does my Honda Accord have a p2646 code?
P2646 HONDA Tech Notes. 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. There is a Factory Service Bulletin for the following Honda Models. 2003-2012 Honda Accord L4.
P2646 HONDA | Rocker Arm Oil Pressure Switch Circuit Low Voltage | The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from