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What does PFI stand for in auto engine terms For instance V8 PFI. I know it has something to do with fuel injection but whats the P?
Wiki User
∙ 16y ago
Port Fuel Injection, meaning fuel injrctor sprays into the port of the intake manifold.
The other type is TBI, throtle body injection. This type uses a central injector (or 2 injectors) that spay onto the throtle body butterfly. PFI is the better injection of the two
Wiki User
∙ 16y ago
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