# Engine light warning PO161.PO441,PO446 Help! **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [July 22, 2007, 3:48pm UTC](https://community.cartalk.com/t/engine-light-warning-po161-po441-po446-help/2062 "2007-07-22T15:48:10Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![angels6](https://avatars.discourse-cdn.com/v4/letter/a/b77776/32.png) [@angels6](https://community.cartalk.com/u/angels6)\ **Post date:** [July 22, 2007, 3:48pm UTC](https://community.cartalk.com/t/engine-light-warning-po161-po441-po446-help/2062/1 "2007-07-22T15:48:10Z")
Hi last week I posted that i had trimmer oil mixed with my gas and my engine light went on.I was told to get the codes. After I got the the scan and the light was turned off. It came back on again. Do I need to take the car into the dealer?Thanks for all your help! ---
**Author:** ![americar](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/americar/32/42_2.png) [@americar](https://community.cartalk.com/u/americar)\ **Post date:** [July 22, 2007, 4:31pm UTC](https://community.cartalk.com/t/engine-light-warning-po161-po441-po446-help/2062/2 "2007-07-22T16:31:39Z")
I don’t think the trimmer mix oil has anything to do with the codes, but you should take it in. P0161) 02 heater fault circuit two bank two P0441 and P0446) is related two evaporative emissions vent solenoid, ---
**Author:** ![system](https://global.discourse-cdn.com/cartalk/original/3X/1/d/1d47c66a543aa6c5a7873bb2320858f978ff52ed.png) [@system](https://community.cartalk.com/u/system)\ **Post date:** [July 22, 2007, 7:56pm UTC](https://community.cartalk.com/t/engine-light-warning-po161-po441-po446-help/2062/3 "2007-07-22T19:56:09Z")
P0161 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) P0441 EVAP Emission Control System Purge Flow Fault P0446 EVAP Emission Control System Vent Circuit Malfunction