Fuel Return

[Scott™]

Could some one tell me where the fuel return is on the phase 1 172? Is it...

under the TB
or on the back next to the icv?

And if it is one of those, what is the other one?

 

[Sean6545]

The ones your on about are vacuum pipes. I dont know where the return is.

 

[Scott™]

I thought one of them must be a fuel return :S

 

[Mark One]

I've not looked at an F4R fuel rail yet. But thats where you'll find it
Connected to the pressure regulator.

 

[Scott™]

Are you sure? :S i can see anything.

 

[Mark One]

that's how the fuel regulator works. how else is it going to maintain a pressure in the rail? It opens at a certain pressure and lets fuel back down the return.

 

[Scott™]

So it would be on the original fuel line? The reason i ask is because i have done a 172 conversion into my megane coupe. Now i have the 172 injectors and have pluged my fuel line into the injector rail. Just wasnt sure how it returned.

 

[Summeh]

my 182 doesn't have a fuel regulator in the rail and thus no return (could be wrong i've only had a quick glance)... is the 172 the same?

 

[Tucker]

^^^ my 1.2 16v was the same

 

[mattjk]

The regulator is in the tank if i recall correctly - even though the fuel rail has a hole for it lol

 

[sideways danny]

very late ph1s (and it's a very rare thing) and all after that have no return line, and regulator in the tank. Most ph1s have the return on the regulator end of the fuel rail