Will a blown head gasket throw a check engine light?

Will a blown head gasket throw a check engine light?

Blowing a head gasket is among the more terrifying causes of a check engine light. Some people actually avoid vehicles that are notorious for being susceptible to this issue, whether they deserve such a reputation or not. Even drivers without an extensive knowledge of cars know this is an expensive repair.

Can a blown head gasket cause a check engine light?

Which is the best test for a blown head gasket?

This is the most effective blown head gasket test and can give you a positive sign of a blown head gasket. If you’ve got a blown head gasket, your engine usually will overheat after longer drives.

What happens if you blow your head gasket?

While you can continue to use your vehicle, you should avoid doing this unless absolutely necessary. A busted head gasket will only get worse, damaging more systems as it continues to fail. As poor temperature regulation is one of the side effects of this problem, your car can eventually sustain severe damage from an overheated engine.

Where does the coolant go after blowing the head gasket?

Coolant either leaks past the head gasket out of the engine or past the head gasket into the cylinder and combustion chamber. If you have an external leak you will notice coolant leaking from in between your engine block and the head. This usually will happen just below the exhaust manifold or the intake manifold.

Blowing a head gasket is among the more terrifying causes of a check engine light. Some people actually avoid vehicles that are notorious for being susceptible to this issue, whether they deserve such a reputation or not. Even drivers without an extensive knowledge of cars know this is an expensive repair.

This is the most effective blown head gasket test and can give you a positive sign of a blown head gasket. If you’ve got a blown head gasket, your engine usually will overheat after longer drives.

While you can continue to use your vehicle, you should avoid doing this unless absolutely necessary. A busted head gasket will only get worse, damaging more systems as it continues to fail. As poor temperature regulation is one of the side effects of this problem, your car can eventually sustain severe damage from an overheated engine.

What to do if your check engine light is still showing?

Start driving the car and give the OBD II system one day to reset. In case the light is still showing, use an OBD II scanner to reset it. That’s assuming the problem lies in the gas cap.