The first step in troubleshooting a car problem is to identify the primary issue and when it happens, such as stumbling upon acceleration, and then take it through a question tree. Diagnostic sites, such as ... More » Vehicles Car Parts & Maintenance

Auto MD, AutoZone and, provide free troubleshooting guides for car problems. has a list of car problems categorized into several groups, including basic, electrical troubleshooting and on board diagno... More » Vehicles Car Parts & Maintenance

Online help for auto troubleshooting is available at and is an online repair resource with information, diagrams and illustrations that make auto repair and trouble... More » Vehicles Car Parts & Maintenance

Figure out your car problem using an on-board diagnostic reader, or by interpreting the car's smoke signals and noises. Knowing the colors of the car fluids may also help diagnose car problems related to fluid leakage. More »

While whistling noises in a car are due to several different problems, a vacuum leak is one common reason for this issue. Vacuum leaks also cause the car to run rough and stall. Worn, broken or cracked vacuum hoses are a... More »

If an engine stalls upon acceleration, one likely cause is a dirty fuel filter. Not replacing the filter according to the manufacturer's recommendation allows debris from fuel to build up and plug it. This causes the car... More » Vehicles Car Parts & Maintenance

A broken car axle can cause the vehicle to sputter, make a clunking noise or create excessive vibration during acceleration. If the broken axle is not repaired it eventually prevents the car from moving. More » Vehicles Car Parts & Maintenance