Rick's Free Auto Repair Advice

Posts Tagged: Evaporative Emission Control System Malfunction

P0440

P0440 Evaporative Emission Control System Malfunction If you have a P0440 Evaporative Emission Control System Malfunction trouble code, read this post for information on how to fix it. This code refers to the Evaporative Emissions Control system. That consists of the vapor lines from the fuel tank to the charcoal canister, the purge and vent valves, and the gas cap. This is a fairly general code that just says there’s a malfunction in the system. Thanks a lot car makers. There are other, more specific codes that tell you exactly … Read More


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