2003 Toyota ECHO "po420 bank 1 sensor" Questions

...po420 po430 codes for all cars. My question would be: 420 code bank 1 o2 sensor before cat? 430 Code bank 2 o2 sensor after cat?? And if that is correct( above) driver or passanger side??? That is ...

po420 bank 1 and po430 bank 2 error codes po420 bank 1 and po430 bank 2 error codes caused a failed inspection sounds like O2 sensors to me. I havent changed one on a mustang yet but I havent had any ...

servise engine soon code po325 or po420 P 0325 - Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor) P 0420 - Catalyst System Efficiency Below Threshold (Bank 1)

...PO420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK I * CODE PO325 KNOCK SENSOR NO.1 CIRCUIT MALFUNCTION BANK NO.1 OR SINGLE SENSOR P0325 Knock Sensor Circuit Malfunction P0420 Catalyst System ...

...po420 code. Oxygen sensor bank 2 sensor 1 i believe. Location in the engine. Thanks.. the cold from hell,, CAT monitor. know it well, too well. no its not that. the code tells that engine has a lazy ...

po420 catylist below threshold ( bank 1 ). if your check engine light is on for a P0420 code( bad converter ) and you decide not to fix it, another more serious code could be triggered and you'd never

...bank 1) Code PO420 Catalyst efficiency below threshold (bank 1) Code PO430 Catalyst efficiency below threshold (bank 2) hi,my friend, you can try, Check for exhaust leaks at the manifold, pipes, ...

...PO420 code is for catalyst system efficiency below threshold (bank 1) Usually it means that it is time for a new catalytic converter on bank number 1. Cylinder bank number 1 is always the bank with ...

...coils. after that we had the front O2 sensor replaced when the code showed Bank 1. Now the diagnosis shows PO420 catalyst efficiency below threshold. What could be wrong now? replace the cat ...

...po420 bank 1 oxygen sensor 02s where is it located chev.2000 astro van 4.2 Bank 1 is the same side of the engine as the #1 cylinder the 02 sensor is located on the exhaust manifold or on the exhaust ...