Will a leaking head gasket cause rough idle?
Rough Idle/Engine Knock A bad enough head gasket leak will cause the engine to lose compression. This can lead to the engine running roughly at idle, knocking and even stalling.
Will a bad head gasket cause hard starting?
A blown head gasket can cause a car to not start if it floods the cylinders too badly. Other times it will start rough and smooth out as you described.
Can a blown head gasket cause sputtering?
The most dangerous sign of a blown head gasket is a misfiring engine. If your vehicle continually lurches and sputters when driving, there is a major problem in your engine. The probable cause of engine misfiring is coolant flooding the engines because of a blown head gasket.
What are the models that have head gasket problems?
The breakdown of the affected models are the Subaru Forester from 1999-2010, Impreza from 1999 to 2011, Outback from 2000-2011, Legacy from 2000-2009, and Baja from 2003-2005. The wide range of Subaru head gasket problems means that numerous models have engine issues.
When did Subaru start having head gasket problems?
Subaru head gasket problems are prevalent in 2006 in every model except for the Baja. Subaru head gasket problems are in every model in 2007 except for the Baja. In 2010, the problems affected the Subaru Forester and Impreza. By 2011, the Subaru Impreza was the only model that experienced head gasket problems.
What happens if your head gasket goes out?
With a head gasket that is only slightly leaking, very small quantities of coolant can leak into the combustion chambers when the vehicle is parked up and left overnight. The next time the engine is started, it can misfire on one or more cylinders.
Can a faulty head gasket cause an oil leak?
A faulty head gasket can also allow engine oil to leak into the coolant passages in the cylinder head. This often shows up as an oily/milky residue in the coolant expansion tank, as the oil floats to the surface of the coolant. Again, be careful though, as this can also be caused by a leaking engine oil cooler or transmission oil cooler. 4 Smoking