Whats it suppose to be at? ive looked around a little and couldnt find anything. Thanks alot.

 

year and model?

 

Says in the title...97 Si with a D16Y8.

Thanks

 

i believe it is 35 psi with vacuum hose on and 40-42 psi vacuum hose off......atleast thats what i remember it being when i installed the gauge before i did the B&M regulatro......if you have I/h/e an extra 2 psi wont hurt

 

anyone else agree?

 

From mr. helms:

3. Start the engine*. Measure the fuel pressure with
the engine idling and the vacuum hose of the fuel
pressure regulator disconnected from the fuel pressure
regulator and pinched.
Pressure should be:
270 - 320 kPa (2.8 - 3.3 kgf/cm2, 40 - 47 psi)

4. Reconnect vacuum hose to the fuel pressure regulator.
Pressure should be:
220 - 250 kPa (2.2 - 2.5 kgf/cm2, 31 - 36 psi)

 

Awsome. Thanks alot! Ive owned the car for almost a year and just havent bothered to buy a manual for it yet.