If you think about it, there are things about your car that just don’t make sense. You’ve been told that more air is a good thing for power, that a cold air intake, more scoops, more vents, etc, are a ...

Q-The intake manifold on my 1982 Lincoln was leaking. Last December, a Lincoln Mercury dealer resealed the manifold and cleaned out the carbon buildup. As I was driving home, I noticed big puffs of ...

Q: I was just informed the coolant leak in my GMC Yukon is from a leaking intake manifold gasket. Apparently this is a common problem. I was shocked at the price quoted for the repair and am not sure ...

A vacuum leak can cause a variety of drivability issues in your vehicle. Here's how you can isolate the leak and the steps ...

Whether it's a puddle under your car or a grimy mess inside your engine bay, finding engine oil where it's not supposed to be is never an enjoyable experience. Normally, oil remains contained within ...

This generation of Holden engines was prone to failure of the crankcase ventilation valve (PCV). When it failed, it caused a vacuum leak in the engine that could easily cause rough running and hard ...

My five-litre VR Holden Commodore has a big flat spot when cold and hunts on very light throttle. Parts replaced include the ignition module, coil, distributor, injectors, fuel pump, plugs, leads, and ...