Engine light CODE P0446
04-24-21, 01:55 AM
#17
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Toyota Es 300 yr.2000. My check engine snd tracking light do the same. Thing.i had it
[QUOTE=Dietz;6476904]My check engine light came on yesterday. I stopped by Auto Zone this morning and code p0446 came up... this is EVAPORATIVE EMMISSIONS SYSTEM VENT CONTROL CI
04-24-21, 02:03 AM
#18
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Toyota Es 300 yr.2000. My check enginelight and tracking both came on i had itchecked
[QUOTE=Dietz;6476904]My check engine light came on yesterday. I stopped by Auto Zone this morning and code p0446 came up... this is EVAPORATIVE EMMISSIONS SYSTEM VENT CONTROL CI
Spoiler
08-22-21, 08:14 AM
#19
I had my emissions inspection 2 days ago and CEL comes on a day later with P0446 code. I wonder if it's just a coincidence. I cleared the code and tightened the fuel tank cap. Let's see if it returns.
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GusWin (07-28-22)
08-30-21, 09:12 AM
#20
Common Problems That Trigger the P0446 Code
- Missing fuel cap
- Defective Evaporative Vent Valve
- Defective or damaged fuel cap
- Distorted, damaged or cracked Fuel Tank Filler Neck
- Torn or punctured Evaporative system hose(s)
- Defective Fuel Tank Sending Unit gasket or seal
- Split or damaged Carbon Canister
- Defective or damaged fuel tank
I would try a new gas cap first, of course
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rmk9785e (12-19-22)
07-28-22, 05:55 AM
#21
Same as me just bought vehicle got inspected two days later just popped on while driving 0446,0440 going to try these steps first.
07-28-22, 09:14 AM
#22
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Proper inspection requires all channels to be ready ... meaning enough drive cycles. Seller can reset the present code and sell the vehicle with the fault, but the CEL not lit. A good inspector will find all these conditions.
A reseller [not private party] can not sell a vehicle in a condition where there is an emission failure. Based on where you are, you may have some recourse.
I would suggest ask the seller to get the problem resolved. Don't get into throwing parts. Get it smoke tested and fixed. Why? Emission leak problems are very pesky problems and may require lowering the fuel tank. Some of the failing parts can also be expensive.
Salim
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Margate330 (07-29-22)
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