P2B03 Diagnostic Trouble Code Discussion for July 2011
Cannot find any info
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| Help Request | Posted | |
| 2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73 P2B03: Cannot find any info. ... codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer... |
July 27, 2011 | |
| 2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73 P2B03: Cannot find any info. ... codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer... |
July 28, 2011 |
