Why do I need to check my spark plugs?
Because of the importance of a good spark in the starting moment of an engine, bad spark plugs may prevent the engine from starting at all or give you a very long cranking time before it will start. If you can also feel an unburned fuel smell when trying to crank the engine, you should check out your spark plugs.
What to do if your engine light comes on after changing spark plugs?
Or you might have left a wire harness unplugged somewhere. check all harness connections that you touched during the install. also, get a code reader or have autozone or some other parts store pull codes for you to see why the light is on. otherwise, take it to your dealer and they’ll take care of it. You could reset it and see if it comes back on.
How often do spark plugs need to be replaced?
Misfiring spark plugs also trigger the check engine light to appear. Generally, newer spark plugs can last 100,000 miles or more, but older ones need replaced every 30,000-60,000 miles. This is a cheap and easy fix, but the problem will only grow worse with time.
Why does my check engine light come on when I start my car?
When they start getting old, they can “misfire,” resulting in trouble starting your engine or peculiar jumps in your vehicle’s acceleration. Misfiring spark plugs also trigger the check engine light to appear.
Can a bad spark plug cause my check engine light to turn on?
The answer is – yes! Worn spark plugs can cause your vehicle’s check engine light to illuminate, indicating an issue. It may even be a flashing check engine light. This is because bad spark plugs can cause your engine to misfire, which will trigger the check engine light to turn on.
When do you need to change your spark plugs?
If spark plugs are not checked with regular services, cleaned or changed when necessary, they can cause problems to occur with the vehicle’s engine. Below are six signs for when to change your spark plugs: 1. Engine has a rough idle Your engine idles when it is a stationary and in this position the engine normally produces around 1000rpm.
What should I do if my service engine light is on?
Service Engine Light: Your Mechanic’s Dirty Little Secret Check engine light on? Here is how to use an OBD-II scanner for free to diagnose the service engine light & save money vs a mechanic fee. Menu Home About About Contact Categories Investing Banks CDs Dividends ETFs Finance Guru Commentary Index Funds Inflation Market Terminology Mutual Funds
What causes the spark plug to go out in a car?
In modern cars, it’s usually due to a sensor malfunction. However, it may also be caused by a spark plug wire or the tip of the spark plug that connects to the wire being damaged. An engine misfire can be noticed by intermittent stumbling or sputtering sounds from the engine.