efr
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Oxygen to Fuel Ratio, EFR Gauges Info (Youtube)
The oxygen sensor gauges caught my eye for the tuning potential, and condition tracking. This is a nice little video regarding them. It gives a lot of relative info on their use and installation. A dedicated EFR gauge, in conjunction with a vacuum gauge, should tell users almost everything they...- Dejure
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- efr oxygen sensor
- Replies: 3
- Forum: Engine & Performance
