Code P0452 means "EVAP pressure sensor signal low" I'm a licensed mechanic currently on the hunt to fix this problem on a Rodeo I'm working on. I'll keep you posted if I figure the problem out. Currently I'm looking at replacing the PCM as my current tests have narrowed it down to that or faulty wiring between the fuel tank and the PCM.
Trouble code P0452 means: Evaporative Emission System Pressure Sensor/Switch Low Input Change out the sensor at that will fix your problem
Trouble code P0452 means: Evaporative Emission System Pressure Sensor/Switch Low Input
The code P0452 on a Buick LeSabre is a fuel tank pressure sensor circuit low voltage warning. This sensor is on the top of the fuel tank.
Trouble code P0452 means: Evaporative emission control system,pressure sensor low input
disconnect battery for ten minutes then reconnect battery. this should cancel code if problem that caused code has been fixed
Trouble code P0452 means: Evaporative Emission System Pressure Sensor/Switch Low Input
replace spark plugs @wires
This is not a "Generic" OBDII code. That means that it means diferent things on diferent car makes.
Trouble code P1582 means: Idle Adaptation at Limit
Trouble code P0301 means: Cylinder 1 Misfire Detected
Possible causes are: Fuel Tank Pressure Sensor harness wiring is disconnected or shorted out. The Sensor may also be defective.