How To Troubleshoot Your Car's Engine

Automotive Blog

One of the most expensive and complicated parts of your vehicle's operating system is the engine. If there is a major problem with your engine, it might not even be worth fixing. However, if you can pay attention to the smaller issues with your engine, you will be able to get repairs before it needs to be replaced completely. Here are some tips for troubleshooting the engine.

The Engine is Misfiring

Misfiring of an engine occurs when your vehicle is moving and it tends to speed up at certain intervals while driving. With misfiring, the engine usually starts normally and you can accelerate at a normal speed. Every once in a while, it will speed up, or it may be surging where it feels like it is bucking for a moment. Misfiring could be due to a few different problems. It could be due to the carburetor or choke not working properly, incorrect ignition timing, or a fuel filter that is clogged. The timing should be easy enough to fix and you can empty the fuel filter yourself. However, the carburetor should be inspected by a professional.

There is Hesitation

If you step on the gas pedal to accelerate, but it takes a couple seconds for your vehicle to respond, then you are having engine hesitation. The first things to check are the spark plugs and ignition wires. If they get worn or dirty, they will need to be replaced. Also replace your air filter if it looks dirty, because this can cause engine hesitation. If that doesn't fix the problem, check your ignition system next. There might be a problem with the rotor or distributor cap. Also check that your catalytic converter isn't clogged.

Smoke is Coming Out of the Exhaust

Smoke coming out of your exhaust isn't always a serious issue, but it usually indicates you need to bring your vehicle into a mechanic at Dan's Complete Automotive. The color of the smoke will determine the possible causes and fixes. If the smoke is blue or gray, check the valve seals, valve guides, and the piston rings. These can all get worn over time and might need replacing.

White smoke may be water vapor, especially if it is cold out. It usually isn't a problem unless it is a billowing cloud of smoke. In this case, it could be due to the cylinder head, cylinder head gasket, or the vacuum modulator. With black smoke, check the ignition module, air filter, choke, and fuel injectors.


28 April 2015

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