2002 Toyota Sienna "catalyst low efficiency bank 1" Questions

...CATALYST EFFICIENCY LOW BANK 1. BUT THEY WERE NOT SURE WICH ONE IT COULD BE, HOWEVERE I WOULD LIKE TO GET ANOTHER OPINION BEFORE I SPEND ANY MONEY GUESSING. THANKS... The FIRST thing that I would do ...

...low reserves in their tank. They all do have water in their tanks. If you like fill your tank and the disconnect your battery for 15 minutes. reconnect it and drive the car 50 miles or more on the ...

Catalyst efficiency low Bank 1" I have a 2000 Acura TL and my check engine light is on. I got a code reader and got this code ("PO420" Catalyst efficiency low Bank 1"). what does that mean and how can

...catalyst converter(Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 ...

...catalyst failure code may show up (masking the original reason for converter failure). So I have a question I replace my cam sensor my cam sensor harness my new battery or alternator is good but it's ...

...Catalyst System Low Efficiency Bank 1 DTC P0430: Catalyst System Low Efficiency Bank 2 bank 1 means , that bank that contains cylinder #1 where is cylinder #1 it on all V engines, that cylinder that ...

CATALYST EFFICIENCY LOW-BANK 1. EXPLANATION-THE OXYGEN SENSORS MONITOR THE CATALYTIC CONVERTERS ABILITY TO STORE OXYGEN. PROBLEM CAUSES- 1. CATALYTIC CONVERTER DEFECTIVE (FAILURE POSSIBLY DUE TO #2,3,

...catalyst converter(Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 ...

...Low P0408 Exhaust Gas Recirculation Sensor "B" Circuit High P0410 Secondary Air Injection System Malfunction P0411 Secondary Air Injection System Incorrect Flow Detected P0412 Secondary Air Injection ...

Catalyst System Low Efficiency Bank 1 ' Add Comment Possible causes - Three way catalyst converter Bank 1 - Exhaust tube - Intake air leaks - Fuel injectors may be faulty - Fuel injector leaks - Spark