Question about 2001 Honda Civic
The only fault is 0420. where do i start? relay,fuel pump,or cps?
You got the code PO-420 Catalyst System Efficiency Below Threshold (Bank 1)
That is the converter,don't these places people go to ,tell you what codes they pulled?
Coolant Temp Sensor
High Fuel Pressure
Damaged Exhaust System Pipe/Muffler
High Oil Consumption
Posted on May 27, 2010
a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Dec 10, 2015 | 1994 Chevrolet S-10
Dec 09, 2015 | 1988 Ford Tempo
Oct 09, 2015 | 1997 Saab 900
May 04, 2013 | 1985 Nissan Pickup
Sep 15, 2012 | Jaguar Cars & Trucks
Mar 29, 2010 | 1988 Chevrolet Cavalier Z24
Oct 07, 2009 | 2002 Chevrolet Monte Carlo
May 25, 2009 | 1996 Pontiac Grand Am
Apr 04, 2009 | 2006 Geo Metro
218 people viewed this question
Usually answered in minutes!