I own a 1994 Audi Cabriolet and it's been driving nice since I got it. However, about a week ago, it started acting up. Now the engine would crank but will not start. What seems to be the problem here?

There are several reasons why your car would not start even though the engine is cranking. This could be because of spark problem due to bad crank position sensor. A no start can also be caused by a faulty ignition module or PCM. If your starter is already worn, you will also experience hard starting. You will need to replace the starter as well as check the connector to the battery. When the battery is weak or the cables are corroded, the car will also not start. Another reason for a no start is a broken timing belt. All these problems can be diagnosed using a scan tool that you can just plug to your car's onboard computer.

So I have this Audi Cabriolet for about 10 years now, and so far it's been driving smoothly. But a few weeks ago, it started to function weird. The engine will suddenly die while accelerating or it will sputter at high speeds. What am I dealing with here?

The symptoms you mentioned are all pointing to a bad fuel pump. When the fuel pump is not functioning properly, it struggles to pump fuel into the engine, and thus the poor performance. However, it's not always the fuel pump that's at fault. You should first check the fuel pump fuse and the fuel pump relay before deciding to replace your pump. These two are the most common culprits for a failed fuel pump. Try to locate the fuse, and if it's busted swap it with a new one; a busted fuse can't give enough power to the pump. If the fuse is good and the pump still won't deliver fuel properly, then it's time to check the relay.

While washing my Cabriolet, I noticed a pool of oil on the garage floor. It was just parked overnight but the amount of oil that has leaked is already significant. How do I stop the oil from leaking?

Engine oil leaks usually occur at the front and rear crankshaft seals, oil pan gaskets, timing chain cover, or the valve cover. Since the engine and its components are exposed to extreme heat, it can cause the cork gaskets to harden and shrink, which could result to oil leak. The older the engine, the more likely it is to leak oil in the gaskets and seals. Putting some crankcase oil additives can slow a leak because it can swell the aged gaskets and seals. But, the most permanent solution is to have the leaky gasket replaced.

I noticed some weird, abnormal noises coming from my Cabriolet's suspension. I have no idea what to do to stop it. Any tips?

The suspension system is designed to make your ride smooth even on uneven surface. Its main job is to keep the tires evenly on the road. Over time, the different components of your suspension system will get worn and you will start to feel your ride getting bumpy and noises are coming from it. This means it is time to inspect your suspension system. One sign that your suspension is no longer working as it should is when you have tires that are worn unevenly. When this happen, you need to have your car serviced before you have more problems at hand.

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