A vacuum leak can be a huge problem for your car, and it can also be incredibly difficult to diagnose. Fortunately, these tools are here to help.

A vacuum leak means that air can enter the system by abnormal means or not through the induction system. No bueno. Air can enter the engine through faulty gaskets between the parts of the intake ...

The pumping of an engine’s pistons creates a vacuum in the cylinders, and that vacuum is filled by air drawn in through the intake system. If leaks develop in hoses or engine parts downstream ...

Listen for hissing sounds while the engine is running ... will help you identify the vacuum leak quicker.” The post How to Find a Vacuum Leak in Your Car appeared first on Family Handyman.

My five-litre VR Holden Commodore has a big flat spot when cold and hunts on very light throttle. Parts replaced include the ignition module, coil, distributor, injectors, fuel pump, plugs, leads, and ...