Factory Boost Gauge Stopped Working

[heslo]

Hey guys, just noticed today that my factory boost gauge has stopped. The needle is stuck just a bit over 0 and doesn't seem to want to budge, however, my aftermarket Apexi one is fine. Same thing happened on my old R33, then I got my clutch changed and for some reason it started again (though I doubt these things are related)

Any ideas on how to fix it, might it just be a sticky needle?

[Craved]

check the map sensor for the guage is plugged in and the hose is intact..

3mm hose on back of plenum

[heslo]

Forgot to mention, already did that, seemed fine. Not too sure (can't tell at this time of night with little light) but there MAY be a slight crack in the hose, will have to have a better look tomorrow

[Baconer]

Had the exact same thing on mine and what craved said is how i solved it, follow that line from plenum to sensor and check all around it, try rubbing soapy water on different sections to see if any air is escaping.

[Hillzy]

Mine stopped working today.

Did exactly as instructed and found the 3mm piping to the manifold had broken off at the map sensor.

Thanks guys!

[jeffworld2]

if its reading around zero, the map sensor (located near the brake booster on the drivers side guard) is open to atmosphere (ie 0 psi) check where your apexi gauge is t'd to, perhaps it isnt tee'd at all.