Cars backfire for several reasons, including air and fuel mixing due to leaking hoses or other mechanical problems. Faulty spark plugs or wires can cause a car to backfire. It can also occur when shifting to a lower gear in a car with high horsepower.Continue Reading
Backfire is a small explosion produced by a running engine outside the combustion chamber. When unburned fuel mixes with air, it can ignite when an intake valve opens. Visible flames may shoot from the car's exhaust pipe and cause a popping sound.
Backfire can result in a car losing power. The term comes from early guns, which were unreliable and sometimes fired from the back instead of from the muzzle. In common usage, the word also refers to something that causes an undesired outcome.Learn more about Car Parts & Maintenance
Cars idling rough at stops can have many causes, including damaged sparkplugs, improperly installed sparkplugs or damage to the car's fuel injector, carburetor, vacuum hoses or ignition wires. It is important to take a car to a certified mechanic soon after it begins idling roughly in order to prevent more expensive damage.Full Answer >
There are several different problems that might cause a car to stop running or stall while it is being driven; however, according to CarsDirect, the three most likely culprits are issues with the electrical system, fuel system or vacuum system. A variety of issues anywhere along the line could cause your car to stall out while idling, or even in the middle of being driven.Full Answer >
If a car turns over but does not start, it has a problem with compression, ignition or the fuel to air ratio. Determining which of these three areas is responsible for the problem is the first step in troubleshooting, according to the Linn-Benton Community College.Full Answer >
There are many reasons why a car starts but does not stay running, but one of the most common causes of this problem is a bad fuel pump. When a fuel pump is going out, it is common for a car to stop running abruptly when the fuel supply becomes restricted.Full Answer >