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that the converter is bad and needs to be replaced . make sure a heavy cast converter is installed not a universal or it will send the code again . p20 code.
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∙ 13y ago
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What does the code P0420 mean in a 2001 Dodge Stratus with 2.4 engine?
Catalyst efficiency below threshold, your catalytic converter may have failed.Catalyst efficiency below threshold, your catalytic converter may have failed.
What is the code p0430 on a 2004 Jeep Liberty?
P0430 means:Catalyst system efficiency below thresholdFailed catalytic converter.P0430 means:Catalyst system efficiency below thresholdFailed catalytic converter.
Code of P0420 catalyst efficiency below threshold What does this mean?
It means that the catalytic converter is not working properly.
What does catalyst efficiency below threshold mean in a 2000 Honda CRV?
In plain English it means that your catalytic converter is failing.
What does code PO420 mean for chevy S10 4 cylinder?
Catalyst efficiency below threshold. (The catalytic converter may be failing.)
Why 1999 cougar catalyst efficiency below threshold bank 2?
Try replacing Catalytic Converter on the opposite side of cylinder 1
Where is P0420 on a 1998 Mercury Mystique LS?
Catalyst efficiency below threshold (bank1) You may have a tired catalytic converter on bank 1.
How do you fix P0420 catalyst efficiency below threshold?
Check for exhaust leaks, test oxygen sensor operation, replace the catalytic converter.
How do you repair P0420 Catalyst System Efficiency Below Threshold Bank 1?
Probably the bank 1 catalytic converter needs replacement.
What does code P0420 catalytic converter mean on 1999 Honda civic?
Trouble code P0420 means: Catalyst Efficiency Below Threshold (Bank 1)
Where is the catalyst efficiency below threshold bank 1 located in a 1999 dodge ram 1500 with a 5.9 motor?
There is only one catalytic converter, it has probably failed.
How to fix PO106 trouble code?
Catalyst Efficiency Below Threshold (Bank 1). If there is no other engine problems, you may have to replace the bank 1 catalytic converter.
