Questions & Answers for: Toyota Highlander emissions code

...code's po442/po446/po441 check engine light on I used my OBD11 reader and codes po442/po446/po441 showed up I looked it up and it says auxiliary emissions controls small leak. So if anyone can please ...

check engine light My check engine light came on a month ago. I had the vehicle check and nothing was wrong. The light is still on. It failed an emission check. Well, whoever checked it wasn't ...

...emissions . your maint light will come on for your oil change . You can goto Auto Zone and they will check why your check engine light is coming on and give you the codes You should take the car and ...

emissions problem detected by the cars computer, but can be something else. You need to check what engine codes are stored in the cars computer to figure out what is wrong. Although the Toyota may run

...emissions leak from the components within the dotted line in Fig. 1, or when there is a malfunction in either the VSV for EVAP, the VSV for pressure switching valve, or in the vapor pressure sensor ...

Have OBD codes P2A00, P0441, P0442, P0446 on my 2003 Highlander. Selling the car in a few months. Does this really need to be repaired before trade-in? Can I just erase the codes? NOPE CANT ERASE ...

CEL came on and computer code is PO42O for a 2003 Toyota Highlander; last time CEL came on, a technician told me it was a loose gas cap or water in the gas I'd gotten, but I don't recall if it

evap emission failed what is this failed for cat / evap It's an emission control related problem, there is a leak in the fuel vapor recovery system and could be caused by a number of things, the ...

Pocket scan PO441 code P0441 TOYOTA - Evaporative Emission Control System Incorrect Purge FlowPossible causes- Missing Fuel cap- Incorrect fuel filler cap used- Fuel filler cap remains open or fails ...

...emissions. Such as the code 171 you asked about. Code 171 is for the fuel mixture on bank one being too lean. The O2 sensor is telling the computer the fuel mixture is too lean and the computer can ...