2023 Honda Ridgeline Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 2023 Honda Ridgeline: Common Causes and Solutions

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 2023 Honda Ridgeline has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the best Honda repair shops?

RepairPal Certified shops can diagnose and repair your 2023 Honda Ridgeline engine and performance issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
30 Certified Locations
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Tuffy Tire & Auto Service Center - Grandview

4.7
(85)
2.39 mi
1524 W 5th Ave
Columbus, OH
Open
Closes 5:00 PM
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Excite Auto Repair & Towing

4.4
(15)
5.94 mi
3430 Westerville Road
Columbus, OH
Open
Closes 6:00 PM
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All In Auto Service

4.9
(25)
6.56 mi
5200 Fisher Road
Columbus, OH
Open
Closes 6:00 PM
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Tuffy Tire & Auto Service - Grove City

4.4
(520)
6.67 mi
2131 Stringtown Rd
Grove City, OH
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Closes 6:00 PM
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How much does it cost to fix a 2023 Honda Ridgeline has a check engine light?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A faulty oxygen sensor is one of the most common causes of a check engine light. Symptoms may include a decrease in fuel mileage, hesitation or misfiring from the engine, rough idling or even stalling. A faulty sensor may cause the vehicle to fail an emissions test.

Any time there is an emissions fault the check engine light will be displayed. The purpose of the check engine light is to inform the driver that an emission related fault has been found, and that there are on-board diagnostic (OBD) trouble codes stored in the powertrain or engine control module. Additionally, since the emissions systems are so intertwined into engine control and transmission control systems, symptoms may include nearly any sort of drivability concerns. This may include harsh shifting, failure to shift, hesitation on acceleration, jerking, engine failure to start or run, loss of power, or any number of other drivability issues.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial diagnostic steps to take for a check engine light on a 2023 Honda Ridgeline?

When faced with a check engine light on your 2023 Honda Ridgeline, it's essential to adopt a methodical diagnostic approach. Start by checking the gas cap, as a loose or damaged cap is a common and easily fixable issue that can trigger the light. Next, take a moment to review your dashboard gauges for any additional warning lights or irregularities that might indicate other problems. Utilizing an OBD-II scanner is a crucial step; it allows you to retrieve the specific error code associated with the check engine light, providing a clearer direction for your troubleshooting efforts. Once you have the code, conduct some research to understand its implications and potential issues. Additionally, inspect the wiring and connections under the hood for any visible damage, as faulty connections can also lead to the light being activated. Finally, monitor your vehicle's performance closely, noting any changes in fuel efficiency, engine noise, or drivability, as these observations can offer valuable insights into the underlying problem. By following this structured approach, you can effectively diagnose the cause of the check engine light and take appropriate action.

What are the common problems that could cause the check engine light to illuminate in a 2023 Honda Ridgeline?

When the check engine light comes on in a 2023 Honda Ridgeline, it can be concerning for any driver, especially those who prefer to handle repairs themselves. One of the most straightforward issues to check is the gas cap; a loose or damaged cap can easily trigger the light, so ensuring it is secure is a good first step. If the gas cap is not the culprit, the next common issue could be a faulty oxygen sensor, which plays a crucial role in monitoring the vehicle's emissions and fuel efficiency. Additionally, problems with the catalytic converter can also cause the check engine light to illuminate, often indicating a more serious issue that may require professional attention. Spark plugs and ignition coils are other components that can fail, leading to engine misfires and triggering the warning light. Another potential issue is a malfunctioning mass airflow sensor, which can disrupt the air-fuel mixture necessary for optimal engine performance. Lastly, don’t overlook the exhaust gas recirculation (EGR) system; a clogged EGR valve can also be a reason for the check engine light to activate. Addressing these common problems promptly not only helps in maintaining the vehicle's performance but also prevents further damage, making it essential for DIY enthusiasts to be aware of these potential issues.

How urgent is it to address the check engine light in a 2023 Honda Ridgeline?

When the check engine light illuminates in your 2023 Honda Ridgeline, it signals a need for immediate attention, as neglecting this warning can lead to serious consequences. The light may indicate anything from a minor issue, such as a loose gas cap, to more severe problems that could compromise engine performance or safety. Ignoring the light can result in decreased fuel efficiency and potential engine damage, which can be costly to repair. For DIY enthusiasts, the first step is to use an OBD-II scanner to retrieve diagnostic trouble codes, which can help identify the specific issue triggering the light. This tool is widely available and can provide valuable insights into the vehicle's health. However, while some minor issues may be resolved at home, it is crucial to recognize when professional help is needed, especially if the codes indicate a more complex problem. Addressing the check engine light promptly not only ensures the longevity of your Ridgeline but also keeps you and your passengers safe on the road.

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