2020 Ford Ranger AC Isn't Working

Common Causes of AC Malfunctions in Your 2020 Ford Ranger and How to Fix Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2020 Ford Ranger AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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 initial diagnostic steps to take when the AC isn't working in a 2020 Ford Ranger?

When your 2020 Ford Ranger's AC isn't functioning properly, it's crucial to approach the diagnosis methodically. Start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for inadequate cooling. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, so replacing them can enhance the AC's performance. After that, examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. You can use a pressure gauge for this task or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue around hoses and connections, which can indicate refrigerant loss. It's also important to check the AC compressor to ensure it engages properly when the system is activated, as a malfunctioning compressor can hinder cooling. Finally, inspect the electrical connections related to the AC system for any signs of corrosion or looseness, as faulty connections can disrupt the AC's operation. By following these steps, you can effectively diagnose and potentially resolve common AC issues in your Ford Ranger, saving time and money on repairs.

What are the common problems that could cause the AC to stop working in a 2020 Ford Ranger?

When the air conditioning system in your 2020 Ford Ranger stops working, it can be frustrating, especially during hot weather. One of the most frequent issues is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from cooling effectively. Another common culprit is a faulty compressor; if the compressor isn't functioning properly, it won't circulate the refrigerant, resulting in warm air blowing from the vents. Electrical issues, such as blown fuses or damaged wiring, can also disrupt the AC's operation, making it essential to check these components. Additionally, clogged or leaking refrigerant lines can hinder the system's performance, as blockages prevent proper airflow and leaks lead to refrigerant loss. A damaged condenser can further complicate matters by impairing heat transfer, while a malfunctioning thermostat may fail to regulate the temperature correctly, causing inconsistent cooling. By understanding these common problems, you can take the first steps toward diagnosing and potentially fixing the AC issues in your Ford Ranger.

How urgent is it to address the non-functioning AC in a 2020 Ford Ranger?

When it comes to a non-functioning AC in your 2020 Ford Ranger, the urgency of repairs cannot be overstated. Driving without air conditioning in hot weather can lead to significant discomfort and even health risks, particularly during the sweltering summer months. Beyond personal comfort, a malfunctioning AC may indicate underlying issues within the vehicle's cooling system, which, if left unchecked, could escalate into more severe problems such as engine overheating. This not only compromises your driving experience but also poses a risk to your vehicle's overall health, potentially leading to costly repairs down the line. Therefore, while it may not seem like an immediate emergency, prioritizing the repair of your AC system is essential for ensuring a safe and enjoyable driving experience, as well as preventing further damage to your vehicle.

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