Can a 4.0L Explorer have a blown head gasket?
Can a 4.0L Explorer have a blown head gasket? This is bad news and indicates that your 4.0L Explorer (or Ranger, Aerostar, Mountaineer) overheating to the point the one (or both) of the head gaskets burned. CASE 2: The color of the engine oil is normal. So far so good, but this result doesn't really confirm that the head gaskets are OK. Why does my Ford 4.0L explorer not start? So, when your Ford 4.0L Explorer (Aerostar, Ranger or Mountaineer) Cranks but Does Not Start, it's because one of these components is missing from the mix. What to do if...