i noticed when everyone talks about their Saturn they refer to their engine as a DOHC and a SOHC. well i was wondering on my engine block it says EFI/OHC. i know what the other two stand for but what does that stand for? thanks

just a guess... but "Electronic Fuel Injection" sounds pretty reasonable. what year and model?

just a guess... but "Electronic Fuel Injection" sounds pretty reasonable. what year and model?

2000 SL1, thanks

electric fuel injection and over head cam

Yes, this is Electronic Fuel Injection / Over Head Cam

And any SL1 is a SINGLE Over Head Cam... thus the 1,

The Dual Over Head Cams are only the SL2, SC2, SW2...all the 2s