How to Diagnose Faulty Fuel Pumps?

Answer For decades, people didn't care much about a fuel pump because, if it self-destructed, you could have a new one installed for less than $100. Today, it's a different story because fuel pumps have b... Read More »

Top Q&A For: How to Diagnose Faulty Fuel Pumps

Do Faulty Fuel Pumps Burn More Gas?

When a vehicle's fuel delivery system is not working properly, one of the likely suspects is a faulty fuel pump. Issues, such as a higher than normal level of resistance in the ground connection of... Read More »

How to Diagnose Mechanical Fuel Pumps?

If your car has a carburetor and isn't fuel injected, in all likelihood it has a mechanical fuel pump. Fuel-injected cars use electrically powered pumps. Mechanical pumps are bolted directly to the... Read More »

How to Diagnose a Faulty Alternator?

The charging system of your car or light truck consists of the battery, the alternator, and the associated wiring. Proper diagnosis of the alternator includes the testing and inspection of the enti... Read More »

How to Diagnose a Faulty Ignition Coil?

If your engine is backfiring, stalling or failing to start and you have noticed a significant decrease in fuel mileage, these could be signs that your ignition coil is failing. As with any automoti... Read More »