P0452 Chevrolet -

Question

What is most common reason for getting this code on 04 . 5 cyl Colorado have replaced vent valve and fuel cap thanks

Answer 1

P0452 Fuel tank pressure (FTP)  sensor circuit low voltage

For this code to occur its voltage is less than 0.1 volts this can be due to the sensor shorting internally. and this would from age and wear. This sensor sits on the top of the fuel pump module,