Tpi Throttle Body Vacuum Lines

Check all sources of potential vacuum leaks including components not related to the fuel injection system.

Tpi throttle body vacuum lines.

Our line of throttle bodies are made from permanent mold casting 365 aluminum and feature a hand fitted butterfly plate for ideal idle control. It typically has a few vacuum hoses running to it as well. A stock throttle body is about 48 mm but bbk still offers larger 52 mm and 58 mm tpi bodies they even have california eos. It controls all air coming into the engine as well as holding the tps sensor and iac motor.

There are 4 ports for vacuum fittings in the back of a tpi plenum. 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. The issue could also be an incorrectly adjusted throttle stop. Vacuum leaks can disrupt the air fuel flow because of an imbalanced airflow which can cause throttle body pressure problems.

There are also vacuum ports on the throttle body. For full functionality of this site it is necessary to enable javascript. For the 19891992 models bbk pn 1537 is the 52mm unit and pn 1539 is. You can get aftermarket throttle body units that bolt on like a traditional carburetor and make retrofitting easy but they cost non trivial amounts of.

So you need vacuum for the brake booster map sensor fuel regulator vacuum reference pcv. Somebody have a map for where this stuff goes. There are instances where the vacuum leak is coming from the adapter plate used to attach the throttle body to the manifold. Here are the instructions how to enable javascript in your web browser.

Not only is our power line of throttle bodies the best quality but they are also the least expensive tpi only will not fit tbi. 3 1 4 pipe and 1 3 8 pipe.