I have a 2001 Lexus RX300 with 76,000 miles on it. I'm having problems passing my emissions. Replaced the gas cap twice in two years, just replaced the max air flow sensor. Now the lights are back on.

Asked by Jun 12, 2017 at 02:13 PM about the 2001 Lexus RX 300

Question type: Maintenance & Repair

Took it for another emissions test today and it is showing code PO 440.

1 Answer

Also replaced the air filter

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