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The fuel tank pressure sensor for the Chevy Colorado is located on the fuel pump itself, forming part of the fuel pump assembly. Its main role is to detect and alert about evaporative leaks caused by malfunctioning or loose gas caps. By monitoring fuel-related issues, this sensor helps you maintain fuel efficiency and prevent costly repairs down the line. Repairing or replacing the fuel tank pressure sensor can range from $250 to $350, depending on the specific problem and potential impacts on other components.
Here's a paraphrased and unique version of the text: The fuel tank's pressure sensor, included in the fuel pump assembly, is installed on top or inside the tank. It's a key component of the evaporative emissions system (referred to as "evap"), monitoring fuel system pressure to identify leaks caused by issues like a faulty or improperly sealed gas cap.