Throttle Body Vacuum Line

If you found a vacuum leak either at the intake manifold or at the base of the throttle body first try tightening the intake or throttle body mounting bolt.

Throttle body vacuum line.

Air intake preheat system bosch cis canada fig. A vacuum leak tricks the throttle body and will result in a high low idle rpm. Your mouth or another pressure source. Replacing the crap rubber factory vacuum lines with more crap vacuum lines.

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. Attach your vacuum gauge and start your vehicle s engine. What you can usually find locally for vacuum line is terrible.

9a engine egr system. Vacuum hose routing cis canada. You should have a vacuum diagram on the cross member in front of your engine showing you where the lines coming out of the throttle body go. Vacuum leaks are often coming from the intake manifold gasket broken vacuum hoses or the throttle body gasket.

Can of starter fluid. Access our free vacuum diagrams repair guide for volkswagen cars 2000 05 through autozone rewards. Throttle body vacuum connections. Vacuum diagram found in the factory service manual fsm 2.

Visually check the entire length of the hose for the problem. Vacuum leaks can be found with a smoke machine soap water or with a flammable spray. Cis canada fuel injection vacuum hose routing. Tbird9491 contributed this snippet regarding the t.

If the reading is low or non existent there s a blockage or leak in the vacuum line. I disconnected the other rubber piece other side off of the intake maniold by squeezing some needle nose pliers and working it off. Tighten the bolts gradually following a crisscross pattern when tightening a manifold start at the center and work your way out. Mine m116 has 3 others are different.

Allow your car to idle for a couple of minutes. Your gauge should read between 14 and 18 inches of vacuum.