Have you tried replaceing or checking your gas cap??
A good place to start would be the fuel cap, it may be faulty or just not on tight.
Trouble code P0446 means: Evaporative Emission System Vent Control Circuit
secondary fuel injection system -airpump ac
Honda code P1457 means EVAP Emission control system leak detected (control canister system)
An obdII code reader will tell you why the light is on and might tell you what is wrong
Code P1443 is idle air Control (IAC) valve Speed fault
Evaporative Emission Control System control valve malfunction. You need a new evap control surge solenoid valve.
How do I find entry code on my 1997 FORD EXPLORER XLT.
Trouble code P1451 means: Evaporative Emission System Vent Control Circuit
Trouble code P0440 means:Evaporative emission control system malfunction
Manf control fuelair metering, Aux emission control
P0446=EVAP Emission Control System Vent Circuit Malfunction.
On a 1997 Ford Crown Victoria : Axle code X5 is a ( 3.27 ratio , limited slip )
Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)
Trouble code P1451 means: Evaporative Emission System Vent Control Circuit
Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)
Trouble code P0442 means:Evaporative emission control system leak detected (Small leak)