Question about 2004 Honda CR-V
A "P1259" code refers to "Vtec (Variable valve Timing and lift Electronic Control) System malfunction. It sounds like the Vtec filter screens may be clogged. Disconnect the negative battery terminal. (This will prevent electrical current from going where you don't want it and will reset the CEL. The Vtec solenoid valve is located at the right rear corner of the cylinder head. The Vtec valve is held on with 3- 10mm bolts. Also there is an electical connector that you will want to remove first.
When you take off the solenoid valve, check the valve screens to see if they are clogged. Clean off any crud you find on the filter screens. A good quality spray carburator cleaner works well. If the screens are too yuckked-up to clean, just get a new one. While you are in there, you might want to also check to see that the plunger on the solenoid itself moves freely. If it does'nt, replace it too.
After you put everything back together, do an oil and filter change. Use a high quality oil of the viscosity recommended by the car manufacturer.
Good luck and God Bless.
Posted on Jul 25, 2010
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Posted on Jan 02, 2017
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