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What does the code p0420 in the 1998 Honda accord mean?
Catalyst system efficiency below threshold, bank 1. Catalyst system efficiency below threshold, bank 1.
What causes p0420 code on 2002 Toyota tacoma?
Trouble code P0420 means: Catalyst System Efficiency Below Threshold (Bank 1)
P0420 code gmc jimmy?
This code is for the catalyst system efficiency is below threshold
What is OBD code P0430?
P0430 Catalyst System Efficiency Below Threshold (Bank 2)
Check engine P- 430?
Catalyst System Efficiency Below Threshold (Bank 2)
Why does a 2000 Toyota Camry erratic code po420 what can you do about it?
It's Catalyst system efficiency below threshold
Error code p0420 Ford Contour?
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
2004 Chevy Colorado check engine codes PO420?
P0420=Catalyst System efficiency below threshold
2000 Honda accord code 420 catalyst system efficiency below threshold?
Means you need a catylitic converter.
Your check engine light says catalyst system below operating threshold what should you check first?
Check for exhaust leaks, check O2 sensor functionality, replace catalyst.
What do you have to do if your 1997 Oldsmobile silhouette gives you the code p0420?
i m not sure what to do but what the code means is that the catalyst system efficiency is below threshold
What is P0430 for 1999 ford contour?
Trouble code P0430 means: Catalyst System Efficiency Bank 2 Below Threshold
