P0452 98 GMC K1500
Comes and goes. Mostly the light stays lit. New GM Gas Cap. Replaced Fuel Pump at 150000. Where do I start? Thanks!!
Comes and goes. Mostly the light stays lit. New GM Gas Cap. Replaced Fuel Pump at 150000. Where do I start? Thanks!!
or the PCM, but that's less likely.
Will let you know. Thanks for the help!!
The code refers to a low voltage condition in the Fuel tank press sensor circuit. It's going to be the fuel tank press. sensor, the connection, or related wiring is open, or shorted.