Common Causes for Check Engine Light

Check Engine LightThe check engine light can be an unwelcomed annoyance for most car owners, considering the feature can be triggered by hundreds of problems, anything could be wrong with your engine!

When your check engine light shows it doesn’t mean you need to pull over right away, but what it does mean is you need some sort of engine repair or inspection soon.  Ignoring your check engine light could lead to even bigger problems and more money out of your pocket!



Reasons for Check Engine Light showing

What are the most common causes for a check engine light to show?  While a check engine light can show for hundreds of reasons, here are some of the most common:

Replace Fuel Injectors

Replacing fuel injectors made up 1.75 percent of repairs in 2014 according to a report by CarMD.  Your car’s fuel injectors can need replacing for a number of reasons, including building up with debris, using low grade gas in your tank or failing to replace your fuel filter regularly.

Replace Thermostat

The thermostat in your engine is put under a lot of pressure, working hard to keep your vehicle running. In 2014 2.18 percent of repairs were due to thermostat replacement.

Replace Spark Plug Wires and Spark Plugs

One of the more common repairs, replacing spark plugs and wires is something every vehicle owner should be aware of.  Over time spark plugs wear and need replacing, causing your check engine light to come on.

Replace Ignition Coil(s)

If you fail to replace your spark plugs regularly you could be looking at an ignition coil replacement too, making up 3.57% of repairs in 2014 it’s the 5th most common cause of a check engine light.


Even if your vehicle seems to be running normally, don’t ignore the check engine light! Taking your vehicle to a mechanic sooner will help prevent more expensive damage and bigger engine repair!


Engine Repair in West Haven, CT

Check engine light coming on? Low fuel economy? Westwood Motors will repair your engine first time.  We offer complete engine repair services at our auto repair shop in West Haven, CT. Call today to schedule a service: (203) 932-1170

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