Sr20det Throttle Body Vacuum Lines

Genuine nissan s13 180sx sr20 heater and coolant hoses.

Sr20det throttle body vacuum lines. Vacuum leaks can disrupt the air fuel flow because of an imbalanced airflow which can cause throttle body pressure problems. The vacuum lines are simple. What you can usually find locally for vacuum line is terrible. Just look at the pictures of these manifolds to see exactly what we are talking about.

The larger one on top runs to the bypass valve bov. The issue could also be an incorrectly adjusted throttle stop. 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. 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.

Keep it pre throttle body as the wg actuator is not designed to operate with vacuum. Replacing the crap rubber factory vacuum lines with more crap vacuum lines. 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. Your mouth or another pressure source.

3 lines start at the throttle body. One line from boost source to wastegate actuator as mentioned above. The bottom one goes to the canister block it off unless you are using the canister. One for your map sensor off the throttle body one for the fuel pressure reg one for the turbo actuator.

Details vary between models but the basic concepts are the same. 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. 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. This one is very important.

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. One line from inlet manifold to fuel pressure regulator. Velocity element s14 s15 sr20det intake manifolds deliver peak efficiency and power throughout the entire power band. Anddd i cant remember the others if any is dark outside o.

Vacuum diagram found in the factory service manual fsm 2.