P0452 Chevrolet -

Question

How expensive is it to have this part replaced?

Answer 1

P0452 Fuel tank pressure sensor low voltage

The cost depends of what is setting the FTP to go to low voltage, Some of the cause for low voltage are grounded FTP sensor, or internally short to a ECM problem.

 The FTP is at the top of the fuel pump module, this sensor can be purchased separately