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My 2000 Oldsmobile Alero is reading a PO440 Code. What does that mean?

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2000 Oldsmobile Alero is reading a Code PO440. What does that mean?

Vehicle: Olsmobile 2000 Allero 2.3

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P0440 Evaporative emission control system malfunction

The most likely culprit for this code is the FTP (fuel tank pressure) sensor,When it does not report right you code up P0440, this sensor is located on the fuel pump module.

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