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check engine light help

posted by  coryswi9367 on  Tue Dec 2 05:17 CST 2003
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my check engine light on my 99 xc 70 came on tonite and i had this OBD II scanned, coming up with the following:

"TROUBLESHOOTING P0422; THE PCM HAS DETERMINED THAT THE MAIN CATALYST EFFICIENCY FOR BANK 1 IS BELOW THRESHOLD FOR THE CURRENT ENGINE OPERATION CONDITIONS. (BANK 1 IDENTIFIES THE LOCATION OF CYLINDER #1, WHILE BANK 2 IDENTIFIES THE THE CYLINDERS ON THE OPPOSITE BANK)


anyone who can help me with this would be much appreciated, thanks






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