+30 P0420 Toyota Corolla 2003 References

The Engine Coolant Temperature Sensor Is Not.

Post by atkinson4738 » wed may 23, 2007 11:24 pm i need to get it registered again and the light is on of course so i took it to my mechanic and. The p0420 code in a toyota corolla will often be thrown one of your oxygen sensors are not functioning properly. This means that regardless of which make or model of vehicle, the code will mean the same thing (corolla or not).

P0420 On My 2003 Toyota Corolla ( California Model ) By Kev2 » Wed Jul 18, 2012 8:12 Pm.

Today, its got around 102500 miles and the check engine light just came on. If it moves similar to the upstream o2 sensor, then the computer throws a p0420 code. For more great auto repair videos, visit us at www.onlineautorepairvideos.com video on how to properly diagnose dtc p0420 on a 2003 toyota corolla s, catalys.

What Does Toyota Code P0420 Mean?

Likely causes for p0420 trouble code in a toyota. The gen 8 corolla was plagued by this issue. Catalyst system efficiency below threshold (bank 1);

The Cost To Diagnose The P0420 Toyota Code Is 1.0 Hour Of Labor.

Had a p0420 on my corolla, and have a scan tool with 3 color emissions status and it was yellow. Discussion starter · #11 · dec 28, 2006. The auto repair labor rates vary by location, your vehicle's make and model, and even your.

Leaded Fuel In An Unleaded System Will Nearly Always Trigger This, Given The Differing Properties Of Leaded Fuel Combustion And Exhaust.

Code for poor catalyst efficency on bank 1. A p0420 is set by the downstream o2 sensor. Check exhaust system ,ok , hooked up scan tool and.