i have codes read p0441,p0440, p0446,

Asked by Guru134H Apr 23, 2017 at 11:16 PM about the 2002 Lexus RX 300 AWD

Question type: Maintenance & Repair

2 Answers

40

These are usually associated with the hose behind the air filter box. It is a rubber hose that slips down over a metal pipe. I has probably come loose but could be leaking. On my Lexus RX it had disconnected and I simply slid it back on. From the left fender (hood up) bending over and looking down in behind the air filter box, you will see the hose by shining a light down in that area.

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