NOPE CANT ERASE CODES UNTIL THE PROBLEM IS FIXED OR THE SERVICE ENGINE LIGHT SOON WILL STAY ON. CODE PO441 - EVAPORATIVE EMISSION EVAP SYSTEM INCORRECT FLOW DETECTED.CHECK INTAKE VACUUM HOSE CONNECTIONS AT THE EVAP CANISTER PURGE VALVE.IF ALL IS GOOD.THE EVAP CANISTER PURGE VALVE COULD BE BAD. CODE PO 442 - EVAPORATIVE EMISSION EVAP SYSTEM SMALL LEAK DETECTED. EVAPORATIVE EMISSION SYSTEM LARGE LEAK DETECTED FUEL CAP LOOSE OR OFF MISSING. CODE PO 446 - EVAPORATIVE EMISSION EVAP SYSTEM VENT CONTROL CIRCUIT MALFUNCTION.
CODE P2AOO - A / F SENSOR CIRCUIT SLOW RESPONSE.MOST OF YOUR PROBLEM COULD BE THE AIR FUEL SENSOR WHICH IS LIKE THE OXYGEN SENSOR. IT COULD BE GOING BAD.CAUSING PROBLEMS. MOST OF YOUR TROUBLE COMING FROM THE EVAP EMISSION CONTROL AND AIR FUEL SENSOR. YOU NEED TO TAKE TO A GARAGE OR DEALERSHIP LET THEM CHECK IT OUT. YOU COULD NEED EVAP CANISTER PURGE VALVE AND AIR FUEL SENSOR. NO REASON BUY NEW VECHICLE. FEW NEW PARTS CHEAPER THAN A PAYINGON A CAR NOTE.IF YOUR CAR STAY IN THE SHOP TOO MUCH BREAK DOWN ALL THE TIME THEN YOU NEED A NEW RIDE.
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Repair open or short in voltage feed circuit to Purge Solenoid.
Repair open in PCM purge command circuit.
Replace purge Solenoid.
Replace vacuum switch.
Repair restriction in Evap line or canister or soleniod.
Repair resistance in purge connector.
Replace PCM.
for p0442
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, or
Inspect the EVAP system for cuts/holes in tubes/hoses.
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