Sorry if this has been discussed (I did do a search first), but what are the differences between the 2H injector pumps? I have a FJ60 with a 2h conversion and my injector is having issues. Mine has and "05" on the side and an illegible part no. Most I see have a "10' on the side. Are they interchangeable? Is it because of the "pre 1984" vs. "post 1984"? Thanks in advance. Here is a picture of mine. I have a 2h with H55, 5 speed.
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