Sr20det Throttle Body Vacuum Lines

One line from inlet manifold to fuel pressure regulator.

Sr20det throttle body vacuum lines.

Hose 1 heater hose elbow hose 2 iacv return hose hose 3 iacv feed hose hose 4 thermostat rear hose hose 5 short large hose from temp housing hose 6 throttle body feed hose hose 7 throttle body return hose. One for your map sensor off the throttle body one for the fuel pressure reg one for the turbo actuator. One line from boost source to wastegate actuator as mentioned above. Genuine nissan s13 180sx sr20 heater and coolant hoses.

The bottom one goes to the canister block it off unless you are using the canister. Vacuum leaks can disrupt the air fuel flow because of an imbalanced airflow which can cause throttle body pressure problems. Can of starter fluid. 3 lines start at the throttle body.

Your mouth or another pressure source. This is a component that acts as a gate keeper and establishes a minimum or maximum position for a throttle body plate to be opened or closed. Velocity element s14 s15 sr20det intake manifolds deliver peak efficiency and power throughout the entire power band. Vacuum diagram found in the factory service manual fsm 2.

Well been driving my car with my sr20 in my car about a month and it still wont idle right. The larger one on top runs to the bypass valve bov. Anddd i cant remember the others if any is dark outside o. The vacuum lines are simple.

Also when i drive the car and just pop it into neutral it just dies i got to pop start it to keep it running or wait for rpms to drop around. For those of you with the red top s13 sr20det the above vacuum hose diagram is literally the only one i could find in english for this engine. Details vary between models but the basic concepts are the same. This one is very important.

The issue could also be an incorrectly adjusted throttle stop. Replacing the crap rubber factory vacuum lines with more crap vacuum lines. By fine tuning the plenum volume and runner length shape velocity element manifolds deliver more performance per dollar than any other manifold on the market. Without any idle adjust it idles at cold startup around 900rpm thats fine but when the motor starts to get warm it surges between 700 1300rpm thats not right.

Please see the diagrams above to select the required hoses.