Question

1999 Honda Accord with engine code P1259. How do you up pressure oil?

Answer 1

If you have not replaced the oil in the last 4k miles dirty oil will give you low oil pressure. the VTEC solenoid may need to be cleaned.  or the oil pressure switch is bad.

 

Possible causes

- Low engine oil pressure or level

- Open or short circuit condition

- Faulty VTEC oil pressure switch

- Faulty VTEC solenoid

 

Answer 2

P1259 Honda Code - VTEC System Malfunction
Read more: https://www.autocodes.com/p1259_honda.html