198K miles. Have already replaced the gas cap.
A code P0442 most likely means one or more of the following has happened:
Possible Solutions
With a P0442, the most common repair is to:
A code P0446 could mean one or more of the following has happened:
Possible Solutions
With a P0446 OBD-II trouble code, here are some things to try:
Since you are getting both of these codes the most likely problem will be a faulty Vent Valve.
SOURCE: error codes p0442 & P0455
Those are both Evaporative Emission Control System related.
442 is a small leak has been detected.
455 is a bigger leak has been detected.
Check all your connections, (electrical & vacuum lines) as well as check for any cracked, loose vacuum hoses in the system, as well as clean "O" ring on your gas cap well and threads in filler pipe & make sure gas cap is tight. Do the gas cap first & see if codes dissappear, but it may take a new gas cap. These codes commonly appear shortly after getting gas, due to cap not back on tight.
SOURCE: Got error codes P0440, P0440 (pd), and P0442 which
It is probably a sensor that goes by the gas tank. I belive it is called a Fuel Vent Sensor Circuit. That should fix the problem.
SOURCE: Have codes P0441, P0442, and P0446. What could be
this obd2 trouble code table can help you understand the meaning of code. 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.
and for p0441, you can try:
Repair damaged EVAP lines or canister.
SOURCE: p0446 obd2 code 2004 camry
We had the same problem and the agency just re-adjusted and we have no more problems just the real ones.
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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