Why is my van leaking?
Coolant may leak from a car for a number of reasons. The most common are: radiator corrosion; a damaged coolant hose; or a water pump with a leaky gasket. In the vast majority of cases, water leaking from under a vehicle is usually condensation from the air conditioning system, or from the exhaust.
Why is water coming from under my car?
These can include leaky gaskets, worn bearing seals in the water pump, holes in the coolant hose, or a corroded radiator. If you notice water leaking from car engine, then make sure you do not have a case of your car leaking water but not overheating, as that could indicate a coolant leak instead of a water leak.
When do you know you have a vacuum leak?
Notice if you are having a hard time accelerating efficiently. When your engine has a vacuum leak it often has a harder time moving fuel into the engine. If you are pressing down on the accelerator as hard as you always have and you are not accelerating like you used to, then you may have a vacuum leak.
Can a vacuum leak cause a check engine light?
This could result in fuel trim problems and a check engine light, possibly with Fuel System Rich DTCs, such as P0172 or P0175. Some older power steering systems idle-up the engine using a vacuum switching valve (VSV), but a vacuum leak might stall the engine during a parking maneuver.
What happens when you have a vacuum leak in your car?
If your vehicle has an engine vacuum leak, the air-fuel ratio in your engine will be higher than 14.7:1, also called a “lean” mixture. This ratio means that there is too much air in your engine, and as a result, the engine will run poorly or not at all.
Where does the vacuum leak come from on a TBI?
There are instances where the vacuum leak is coming from the adapter plate used to attach the throttle body to the manifold. If this is the case make sure that the seal is positive between the manifold and the adapter plate; also between the adapter plate and the throttle body.