2007 Ford Explorer Has A Check Engine Light

Resolve Check Engine Light Issues in Your 2007 Ford Explorer

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Reviewed by
Andrew Hajjar
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 2007 Ford Explorer 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.

How much does it cost to fix a 2007 Ford Explorer 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 first steps to diagnose the check engine light on a 2007 Ford Explorer?

To effectively diagnose the check engine light on your 2007 Ford Explorer, start with a thorough visual inspection. Begin by checking the gas cap; ensure it is securely tightened, as a loose or damaged cap can often trigger the light. If the cap appears fine, the next step is to utilize a diagnostic scanner, which can be easily connected to the vehicle's OBD-II port. This tool will help you retrieve the specific error code associated with the check engine light. Once you have the code, refer to the scanner's manual or search online for its meaning to gain insight into the potential issue. Depending on the error code, you may need to address a simple fix, such as tightening the gas cap, or you might uncover a more complex engine problem that requires further investigation. After resolving the issue, remember to use the scanner to clear the error code and reset the check engine light, ensuring that your vehicle is back to optimal performance. By following this methodical approach, you can confidently tackle the check engine light issue on your Ford Explorer.

What are the common problems that could cause the check engine light to illuminate in a 2007 Ford Explorer?

When the check engine light illuminates in a 2007 Ford Explorer, it can signal a range of common issues that a DIY enthusiast can address. One of the most straightforward problems to check is a loose gas cap, which can lead to fuel vapors escaping and is easily remedied by ensuring the cap is securely tightened. More complex issues may involve the oxygen sensor, which is vital for maintaining fuel efficiency and emissions; a malfunction here can result in poor performance and increased emissions. Additionally, the catalytic converter may be at fault, indicating a need for inspection or replacement if it is not functioning properly. Other potential triggers include a malfunctioning mass airflow sensor that disrupts the air-fuel mixture, or issues with spark plugs and ignition coils that can cause engine misfires. A faulty thermostat can lead to overheating, while problems within the emission control system, such as the EGR valve, can also activate the check engine light. Lastly, don’t overlook the possibility of battery or transmission issues, as these can also cause the light to illuminate. By understanding these common problems, you can effectively diagnose and potentially resolve the issue, saving both time and money on repairs.

How urgent is it to address the check engine light in a 2007 Ford Explorer?

Addressing the check engine light in a 2007 Ford Explorer is not just a matter of convenience; it is a critical step in ensuring the vehicle's safety and performance. Ignoring this warning can lead to a cascade of problems, including decreased fuel efficiency and potential engine damage, which can escalate repair costs significantly. For DIY enthusiasts, understanding the urgency of this issue is essential. The check engine light can indicate anything from a loose gas cap to more severe engine malfunctions, and while some issues may seem minor, they can quickly evolve into major safety risks. By diagnosing the problem early, you not only protect your vehicle's longevity but also enhance your driving experience. Therefore, if the check engine light illuminates, it is advisable to investigate the cause as soon as possible, whether through a diagnostic tool or by consulting a professional, to avoid further complications and ensure your Ford Explorer remains reliable on the road.

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