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.
To effectively diagnose the check engine light on your 2017 Ford Mustang, start with a thorough visual inspection of the vehicle. Begin by checking the gas cap; ensure it is securely tightened and free from damage, as a faulty gas cap is a common trigger for the check engine light. If the gas cap appears fine, the next step is to utilize an OBD-II scanner, which can be easily connected to the vehicle's diagnostic port. This tool will allow you to retrieve the specific error code that is causing the warning light to illuminate. Once you have the error code, take the time to research its meaning, either through the vehicle's manual or reputable online resources. Understanding the code will provide insight into the underlying issue. Additionally, pay close attention to any changes in your Mustang's performance, such as unusual sounds or driving difficulties, as these symptoms can offer valuable clues in your diagnostic process. By following this structured approach, you can efficiently identify and address the cause of the check engine light, empowering you to take control of your vehicle's maintenance.
When the check engine light comes on in a 2017 Ford Mustang, it can signal a range of common issues that DIY enthusiasts should be aware of. One of the most frequent culprits is a loose gas cap, which can easily be checked and tightened to potentially resolve the warning light. Another common problem is a faulty oxygen sensor, which plays a crucial role in monitoring the vehicle's emissions and fuel efficiency. If this sensor fails, it can lead to increased fuel consumption and emissions, making it essential to address. Additionally, issues with the catalytic converter can trigger the check engine light, often indicating a failure that may require professional attention. Spark plug or ignition coil problems are also prevalent, as they can affect engine performance and lead to misfires. The mass airflow sensor, responsible for measuring the amount of air entering the engine, can malfunction and cause the light to illuminate as well. Furthermore, the exhaust gas recirculation (EGR) system can develop issues, such as a clogged valve, which can impact engine efficiency. Lastly, a faulty thermostat can also be a reason for the check engine light, affecting the engine's temperature regulation. By understanding these common problems, Mustang owners can take proactive steps to diagnose and potentially resolve the issues, ensuring their vehicle runs smoothly and efficiently.
When the check engine light illuminates in your 2017 Ford Mustang, it is essential to recognize the urgency of the situation. This warning signal is not merely a nuisance; it indicates that your vehicle's engine or emissions system may be experiencing issues that could escalate if left unaddressed. While some triggers, like a loose gas cap, may seem trivial, others could signify more serious problems that could compromise your vehicle's performance and safety. Ignoring the light can lead to decreased fuel efficiency, engine damage, and costly repairs down the line. 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. However, if the codes indicate a more complex problem, it is advisable to consult a qualified mechanic to ensure that the necessary repairs are made promptly. By taking action as soon as the check engine light comes on, you can maintain your Mustang's performance and avoid potential safety risks.
Read about related problems experienced by other Ford Mustang drivers like you.
See what others are asking about their Ford Mustang. Get answers from RepairPal's community of auto experts and enthusiasts.