Hi all,
have had my 04 manual GT wagon for 18 months. When I bought it I felt it may have had a intermittent misfire under load and at idle, after a while it became more apparent (to the point where nothing would come out of exhausts for a second when idleing), Subaru dealer could find no faults with diagnostic equipment, cut a long story short ended up getting injectors removed and cleaned, this fixed problem. Good news .
Bad news , it's back 12 months later. Again Subaru dealer diagnostic gear shows no faults, before you ask, run BP Ultimate 98 octane, 99% of the time, Subaru injector clean and top of head cylinder clean used at services. Now looking at getting a complete fuel system clean, which includes on car injector clean.
What do you think
Any body else heard of problem like this