Possible causes
– Check engine oil level and pressure
– Faulty VTEC Oil Pressure Switch
– VTEC Oil Pressure Switch harness is open or shorted
– VTEC Oil Pressure Switch circuit poor electrical connection
– Faulty VTEC Oil Pressure Switch
– VTEC Oil Pressure Switch harness is open or shorted
– VTEC Oil Pressure Switch circuit poor electrical connection
Tech notes
For the 2003