2015 Ford Transit-250 Has A Check Engine Light

Resolve Check Engine Light Issues in Your 2015 Ford Transit-250

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Reviewed by
Bo Fader
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 2015 Ford Transit-250 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 2015 Ford Transit-250 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 2015 Ford Transit-250?

When faced with a check engine light on your 2015 Ford Transit-250, the first step is to check the gas cap, as a loose or damaged cap is a common and easily fixable issue that can trigger the light. If the light is flashing, however, this indicates a more serious problem that requires immediate attention, so it's crucial to address this promptly. Next, using an OBD scanner to read the trouble codes can provide valuable insights into the specific issues affecting your vehicle. This diagnostic tool is user-friendly and can help you identify whether the problem is minor or requires professional assistance. Once you have diagnosed the issue and made any necessary repairs, you can reset the check engine light with the scanner, ensuring that your vehicle is back to optimal performance. By following these steps, you can effectively manage the check engine light situation and maintain your Ford Transit-250 with confidence.

What are the common problems that could cause the check engine light to illuminate in a 2015 Ford Transit-250?

When the check engine light comes on in a 2015 Ford Transit-250, it can indicate several common issues that are often manageable for DIY enthusiasts. One of the first things to check is the gas cap; a loose or damaged cap can lead to fuel vapor leaks, which is a simple fix that can save you from unnecessary diagnostics. Another frequent culprit is the oxygen sensor, which plays a vital role in monitoring exhaust emissions and fuel efficiency. If this sensor fails, it can lead to decreased performance and increased emissions, making it essential to replace it if needed. Additionally, problems with the catalytic converter can trigger the light, as this component is crucial for reducing harmful emissions. If you notice a decrease in engine performance, the mass airflow sensor may also be at fault; it regulates the air-fuel mixture, and a malfunction can lead to poor engine performance. Lastly, issues with spark plugs or ignition coils can cause misfires and rough idling, while a malfunctioning EGR valve can affect overall engine efficiency. Addressing these common problems promptly can help maintain your vehicle's performance and prevent further complications.

How urgent is it to address the check engine light on a 2015 Ford Transit-250?

When the check engine light illuminates on your 2015 Ford Transit-250, it is crucial to take immediate action rather than dismissing it as a minor inconvenience. This warning light is your vehicle's way of signaling that there may be an underlying issue with the engine or emissions system, which, if ignored, could escalate into more severe problems. While some triggers, like a loose gas cap, may seem trivial, others could indicate significant mechanical failures that could compromise your vehicle's performance and safety. Neglecting this warning can lead to decreased fuel efficiency, increased emissions, and potential engine damage, which can be costly to repair. For DIY enthusiasts, the first step should be to use an OBD-II scanner to retrieve diagnostic trouble codes, which can provide insight into the specific issue at hand. However, if the codes indicate a serious problem, it is advisable to consult a qualified mechanic to ensure that any necessary repairs are made promptly. Addressing the check engine light without delay not only helps maintain the reliability of your Transit-250 but also ensures your safety on the road.

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