hi guys any help with this would be much appreciated, the problem being the engine manegment warning light coming on, vehicle still runs fine but light keeps coming back on. the code stored is p1259 vtec system malfunction. how do i go about diagnosing this fault? thankyou

ag, January 2011

have a look at some honda discussion forums regarding your fault,points to low grade/dirty oil clogging up filters in your v tec solenoid

cdc, January 2011