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Home
Saturn
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Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
SATURN P CODES (POWERTRAIN) P0400 - P0499 P0420
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Found 3 results
1997 Saturn SL1 DTC P0420
I Am Getting A Dtc P0420 From The Computer. The Car Is Running Fine. Does The Catalytic Converter Need To Be Replaced? Could It Be An Oxygen...
Asked by
ScarletKnights1
·
1 ANSWER
1997
SATURN SL1
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...
P0420
Engine Light Came On. We Get Two Codes, Both Showing P0420. Since This Code Came Up Twice, Does This Mean That The Catalytic Converter...
Asked by
fyrechilde
·
1 ANSWER
1 IMAGE
2005
SATURN ION
Code P0420
Wondering If Any Saturn Techs Still Here That Might Have Some Ideas About A P0420 Low Catalytic Converter Efficiency. Thanks.
Asked by
bill_the_cat
·
1 ANSWER
2007
SATURN VUE HYBRID
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