What Can a Leaking Intake Manifold Cause?

A vacuum leak caused by a bad intake manifold gasket can throw off the engine's air-fuel ratio and cause engine performance issues such as misfires, a decrease in power and acceleration, a reduction in fuel efficiency, and even stalling.

What happens if intake manifold leaks?

Leaking Coolant

When intake manifold gaskets become damaged, coolant may begin escaping from its system. Eventually even a relatively small leak will eventually cause coolant levels to drop to dangerous levels. Be sure to take note of any signs that your car may be experiencing a coolant leak.

Can you drive with a leaking intake manifold?

Can I Drive With A Leaking Intake Manifold Gasket? A really bad intake manifold gasket can cause a car to run rough at idle or cause a service engine light to flash. Driving the car should be fine for a few months as long as there is no fluid leak or the car is not stalling or running rough.