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Home
Toyota
Sienna
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
TOYOTA SIENNA P CODES (POWERTRAIN) P0400 - P0499 P0420
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Found 4 results
2002 Toyota Sienna 2002 Toyota Sienna Fault Code...
I Failed My Emmisions Test. The Error Code Reads P0420: Catalyst System Efficiency Below Threshold (bank 1). I Have Been Told This Is O2...
Asked by
taltos
·
3 ANSWERS
2002
TOYOTA SIENNA
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
2004 Toyota Sienna P0420 MIL On
My Check Engine Light Comes Once Every Month. The Code Is P0420. Can I Test The Rear Cat By Checking The Inlet And Outlet Temp Of The...
Asked by
unic66
·
5 ANSWERS
2004
TOYOTA SIENNA
Check Engine Code P0420
I Own A 2001 Toyota Sienna Xle Van. The Other Day I Backed My Van Up And I Must Have Backed Into A Snowbank, And I Believe I Got Snow In My...
Asked by
DELOREAN82
·
1 ANSWER
2001
TOYOTA SIENNA
I Have P0420, And The Original Ecm. If I Were To...
I Have P0420, And The Original Ecm. If I Were To Go To A Junkyard Or Pick N Pull, How Would I Know If The Used Ecm Was One Of The Ones...
Asked by
Anonymous
·
1 ANSWER
2001
TOYOTA SIENNA
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