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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
P CODES (POWERTRAIN) P0400 - P0499 P0420
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1999 Chevy Astro Code Po420 Meaning
Took Car To Autozone And Got This Code, Definition Is Catalyst Efficiency Low Bank 1. What Does It Mean And How Can I Fix It To Pass...
Asked by
shyannrose
·
1 ANSWER
1999
CHEVROLET ASTRO
2000 Toyota Avalon Po420 Code Bank 1
I Have Replaced All The Cat's (3) And The Same Code Still Comes Up. I Will Be Checking For Leaks, But I Dont Think That Is It. Took It To...
Asked by
1989chevy
·
1 ANSWER
2000
TOYOTA AVALON
2 Check Engine Codes Please Help!
Hi, I've Been Having The Same Problem With This Car For Maybe A Few Weeks Now And Cant Figure Out What It Is. I Checked All The Vacumm...
Asked by
pmp
·
3 ANSWERS
2002
NISSAN SENTRA
Can Too Much Back Pressure Caused By A New Midpipe...
Can Too Much Back Pressure Caused By A New Midpipe Cause A False P0420 Code?
Asked by
Anonymous
·
3 ANSWERS
2000
NISSAN SENTRA
Code Information
I Have A 98 Pontiac Thansport, It Has A P0420 Code I Cant Figure Out What I Would Look For In The #1 Bank Doug
Asked by
pitax1
·
3 ANSWERS
PONTIAC OTHER
2002 DODGE CARAVAN
I Have A Dodge Caravan 2002 With A Code Po420 What Does That Mean? Runs Fine, No Noices
Asked by
Taz
·
3 ANSWERS
2002
DODGE CARAVAN
Engine Code
P0420 Code On 2001 Mitsubishi Galant
Asked by
Reysor
·
2 ANSWERS
2001
MITSUBISHI GALANT
What Would Case A Code Po420 And How Would I Fix The...
What Would Case A Code Po420 And How Would I Fix The Problem
Asked by
Anonymous
·
1 ANSWER
1 IMAGE
1996
CHEVROLET MONTE CARLO
I Have 6 Codes Po420 Po430 Po1320 Po305 Po420....
I Have 6 Codes Po420 Po430 Po1320 Po305 Po420. What Can I Do To Fix The Codes?
Asked by
Anonymous
·
1 ANSWER
2001
NISSAN PATHFINDER
2003 Dodge Truck OBDII Error Code For 2003 Dodge Ram...
My 2003 Dodge Ram 1500 Gives The Below Error Could When Tested? What Needs To Be Replaced To Fix The Problem? P0420 Catalyst System...
Asked by
Haslepi
·
1 ANSWER
2003
DODGE TRUCK
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