The newer Isuzu does not have spark plugs but coil packs and are controlled by the on board computer system. There is no need to replace them unless they fail and your check engine light will come on.  This vehicle is OBD-II compliant so can be checked with a small diagnostic tool that is offered … Read more

Glow-plugs are units in diesel engines that warm the engine before starting.  On cold days when you turn your key switch on the gloplug light comes on to tell you that the engine is warming.  You should never start your engine until the light goes off as the engine is not warm yet.  The light … Read more