Question about 2002 Lexus IS 300

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Code 0440 I have a 2002 Lexus 300 IS, my engine light came on. I took it to get a free check. they said the code is 0440. Would anyone know what does it really mean?????????

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P0440 Code 0440 - onepx.gif EVAP Control System Malfunction onepx.gif onepx.gif onepx.gif Code 0440 - onepx.gif"" alt="onepx.gif" classCode 0440 - onepx.gif> onepx.gif Possible Causes Setting Conditions onepx.gif onepx.gif onepx.gif

  • Charcoal canister is clogged, loaded with fuel or with moisture
  • Fuel filler cap missing, loose (not tightened) or the wrong part
  • Fuel tank over-fill check valve cracked or damaged
  • Fuel tank seal leaking, fuel tank cracked or damaged/leaking
  • Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
  • Vacuum hose or tubing cracked, damaged or disconnected
  • PCM has failed
onepx.gif Engine started cold (ECT sensor signal less 86�F), engine runtime over 20 minutes in closed loop, vehicle driven to a speed of 55-60 mph, and the PCM detected the fuel tank pressure indicated the same value as the atmospheric pressure in the EVAP Monitor test.
This code sets in 2 Trip(s).First I would try making sure the gas cap is tight. You need to give it 2 trips before it may reset. The other choice would be to replace it, Cheaper than spending money on a professional.

Posted on Jan 25, 2009


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