How can such a small light cause so much worry? If you have ever driven an aging car, one of the most dreaded notifications is having your Check Engine light turn on, especially if it happens while you are actually driving. It would be so easy if the car could pinpoint the problem for you, but unfortunately that isn’t the case. Luckily, at #CoastNissan our service department is trained to run an intricate analysis of your car in order to determine the exact cause and get it fixed. Here is a brief overview of the major reasons your Check Engine light is on:

 

Failing Oxygen Sensor

A bad oxygen sensor is the leading cause of common car repairs, and needs to be dealt with before it leads to more severe damage. The catalytic converter in your car is extremely expensive to fit, and a bad sensor could lead to it malfunctioning. This sensor is also important for balancing the car’s fuel-to-air ratio, which if incorrect can cause a 40% drop in fuel economy.

 

Failing Catalytic Converter

Unfortunately, your catalytic converter can fail for multiple reasons, all of which are problems themselves. Whether it starts from a faulty spark plug or warped engine components, the catalytic converter is prone to damage due to the failure of other parts. You can avoid this by getting regular inspections and Nissan services from our professionals, otherwise, it could end up costing over $1,000.

 

Loose Fuel Cap

A loose fuel cap is an easy fix, and even replacing a damaged one will only run you around $20. This is the first thing you should check if the Check Engine light comes on, as it could save you a trip to the mechanic. Turn the vehicle off, open and then tighten the fuel cap, and see if the Check Engine Light goes off.

 

Bad Thermostat

A car’s engine must be kept at a precise temperature to burn fuel, and the thermostat regulates the flow of coolant. This can be caused by lack of regular coolant changes or by driving in extreme temperatures.

At Coast Nissan, our technicians will use the code output by the Check Engine light to swiftly and accurately diagnose the problem, so you can get back on the road. Our San Luis Obispo car dealer is unmatched in customer service and satisfaction, so give a call or a click at www.coastnissan.com.

 

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Coast Nissan

12100 Los Osos Valley Road

San Luis Obispo, California 93405

Phone: 877.957.9019

Website: www.coastnissan.com