What causes an OBDII code on a Honda?
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
Where is the oil pressure sensor on a car?
If the oil pressure sensor is faulty, it will be removed and replaced. The location of the sensor varies by make and model, but it’s usually near the oil filter or in the cylinder head.
What is the code for the VTEC oil pressure switch?
According to the service manual code 2646 is for rocker arm switch (VTEC oil pressure switch) low voltage. I have the ussual problem of the Element bogging down at 4,000 rpm’s.
What does DTC stand for in Honda OBDII?
If there is a difference between the oil pressure condition in the hydraulic circuit that is determined by the ECM/PCM command and the oil pressure condition that is determined by the status of the rocker arm oil pressure switch (VTEC oil pressure switch), the system is considered faulty, and the Diagnostic Trouble Code (DTC) is stored.
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
If the oil pressure sensor is faulty, it will be removed and replaced. The location of the sensor varies by make and model, but it’s usually near the oil filter or in the cylinder head.
How do you replace the knock sensor on a Honda?
Let’s go through the procedure for Honda knock sensor replacement. Disconnect the battery negative terminal. Make yourself a coffee / tea / drink of your choice. Use hands or angled long nose pliers to release the wiring connector from the sensor and remove it. I did this bit with my hand, but this is tricky because you can’t see what you’re doing!
If there is a difference between the oil pressure condition in the hydraulic circuit that is determined by the ECM/PCM command and the oil pressure condition that is determined by the status of the rocker arm oil pressure switch (VTEC oil pressure switch), the system is considered faulty, and the Diagnostic Trouble Code (DTC) is stored.