Check the code(s) set in the ECM. They will help lead you to the reason the light appeared after the work was done.
It's supposed to do that.
By replacing the whole gasket.
extremely difficult without removing the engine. i have seen some drop the engine down about a foot by disconnecting the motor and transmission mounts & did not disconnect alot of lines and were able to change the intake gasket.
The intake gasket is the gasket that conncects from your air filter into your intake manifold
What engine? and ensure it is a bad gasket, not an intake plentum.
The intake manifold are very bad about corroding a hole in them which means that you will have to replace it.
jaguar 2001 Lower Engine Intake Manifold Gasket
Irratic idling condition is indication of intake/inlet manifold gasket leak. Change gasket immediately. This particularly applies to EFI engines. Newaz.
Intake gasket leaking on the inside of engine.
You need the sealant on the ends where the supplied gaskets don't cover fully.
i am replacing the starter on olds 1995 aurora
It can allow water to mix with the engine oil and destroy the engine.