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Code P0420 Means Catalyst System Efficiency Below...
I Have A P0420 Odbii Error Code P0420 Means "catalyst System Efficiency Below Threshold (bank 1)" I Have Done The Following. 1...
Asked by
uomo1
·
1 ANSWER
7 IMAGES
1998
TOYOTA TACOMA
Fuel Trim And Code P0420
Can Fuel Trims Affect The Efficiency Of The Catalyst. Long Term Is Around +13 Short Term Is Around +6. I Had A P0420 And Went Away.
Asked by
Yazidan
·
9 ANSWERS
2004
TOYOTA COROLLA
P0174 Code Detected But Car Run Very Normal
Based On The Details That I Have Provided What Else Could Go Wrong. I Had The P0174 And P0171 Code And Cleaned Maf Sensor And Changed The...
Asked by
Tri Vish
·
1 ANSWER
2003
TOYOTA AVALON
Exhaust System Replaced But Still Having Issues, Code...
My Check Engine Light Came On With The Code Of Po420. Yesterday I Got The Flex Pipe, Extension Pipe, Resonator, Axle Pipe, Muffler And...
Asked by
s007rrt
·
1 ANSWER
2005
TOYOTA CAMRY
2002 Toyota Camry Po420
Hi My Name Is Henry. Ok Ive Changed The Cat Converter About 2 Years Ago Bought Brand New From Dealer. About 60,000 Miles On Cat. And The...
Asked by
the giant
·
1 ANSWER
2002
TOYOTA CAMRY
Misfiring And Codes P0302 And P0300
My Car's Engine Is Misfiring I Get Codes P0302 And P0300 Usually At The Same Time. Really Rough Idle Where It Vibrates In The Cab. I...
Asked by
W i lli aM
·
1 ANSWER
1999
TOYOTA COROLLA
PO420
I Have A 2003 Matrix That Is Showing The Check Engine Light; Code Check By Dealer [po420] Specifically Points To The Catalytic Converter [$...
Asked by
allen12
·
1 ANSWER
2003
TOYOTA MATRIX
P0446 Code
Recently Had This Code Come Up. About Six Months Ago, Replaced The Vsv Valve, So I Am Guessing That Is Not It. Also, The Engine Seems...
Asked by
angryape
·
1 ANSWER
1 IMAGE
2003
TOYOTA COROLLA
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
2003 Toyota Corolla Diagonstic Trouble Code P0420
Engine Problem 2003 Toyota Corolla 4 Cyl Wheel Drive Type Unknown Automatic 88400 Miles I Had A Diagnostic Test Done At Autozone...
Asked by
brian1994
·
1 ANSWER
2003
TOYOTA COROLLA
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