s14 sr idle/ spitting problem. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Destructodc74 · 11-30-2009, 04:09 PM

okay so i have a s14 sr and im trying to get it running smoothly. im pretty sure i have a vaccuum leak somewhere or one isnt hooked up correctly. when im idling the boost gauge reads zero but as soon as i give it a little gas it drops into vacuumm until i accelerate into boost. there are two little vaccuum ports coming out of the intake manifold right under the throttle body that are plugged and i was wondering if anyone knew if they should be or what? im running no blow off valve currently with a front mount setup and the idle jumps around like crazy and sometimes stalls. im also running a z32 maf which is hooked up in my cold pipe instead of on the intake. any ideas or does anyone have a vacuum diagram for an s14 sr?

11-30-2009, 04:09 PM	#1
Destructodc74 Zilvia Junkie Join Date: Aug 2009 Location: ny Posts: 442 Trader Rating: (7) Feedback Score: 7 reviews	s14 sr idle/ spitting problem. okay so i have a s14 sr and im trying to get it running smoothly. im pretty sure i have a vaccuum leak somewhere or one isnt hooked up correctly. when im idling the boost gauge reads zero but as soon as i give it a little gas it drops into vacuumm until i accelerate into boost. there are two little vaccuum ports coming out of the intake manifold right under the throttle body that are plugged and i was wondering if anyone knew if they should be or what? im running no blow off valve currently with a front mount setup and the idle jumps around like crazy and sometimes stalls. im also running a z32 maf which is hooked up in my cold pipe instead of on the intake. any ideas or does anyone have a vacuum diagram for an s14 sr?