...Warm Up Catalyst Efficiency Below Threshold Bank 2 You may want to try adding some good fuel injector cleaner and filling it with premium gasoline.. Lee I own one of these (nightmare) MPV's. After ...
...warm up catalyst efficiency below threshhold bank 1, 431 same on bank 2.. P0421 ...... Warm Up Catalytic Converter - Efficiency Threshold (Bank 1) P0431 .... Warm Up Catalytic Converter - Efficiency ...
...Warm Up Catalyst Efficiency Below Threshold (Bank 1). This could apear because of a bad O2 sensor on the catalytic converter on bank 1. Or The catalytic converter is no longer functioning properly. ...
...Warm Up Catalyst Efficiency Below Threshold (Bank 1) This means the HO2 (Oxygen) Sensor downstream of the catalytic converter on bank 1, is detecting that the converter is not working as efficiently ...
...Warm-Up Catalyst Efficiency Below Threshold (Bank 1) PO430: Catalyst System Efficiency Below Threshold (Bank 2) PO431: Warm-Up Catalyst Efficiency Below Threshold (Bank 2) THINGS TO ASK YOURSELF OR ...
...Warm-Up Catalyst Efficiency Below Threshold (Bank 1) PO430: Catalyst System Efficiency Below Threshold (Bank 2) PO431: Warm-Up Catalyst Efficiency Below Threshold (Bank 2) THINGS TO ASK YOURSELF OR ...
...02 sensor bank 1 is bad. where is this part on the minivan? also i changed all of my cats 8 months ago. P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) ____________- Can Clip ...
...Warm up catalyst system efficiency below threshold, bank 1 P431=Warm up catalyst system efficiency below threshold, bank 2 Sounds like you may have clogged or damaged catalyst converters or bad 02 ...
...Converter, Bank 1 - Efficiency Below Threshold Possible Cause: Warm Up Catalyst Bank 1 faulty. Possible Solutions: Check Warm Up Catalyst Bank 1 - Set Readiness. Replace Warm Up Catalyst Bank
...warm. Is showing a P0420 code catalyst system efficiency. below threshold bank 1? changed both O2 sensors on Bank 1 did not help. any ideas? my first thought would be fuel pressure. when cold test ...
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