Mechanics

TROUBLE CODE P0133

1998 BMW 740

Engine Performance problem
1998 BMW 740 V8 Two Wheel Drive Automatic 150000 miles

SLOW RESPONSE IS O2 SENSOR BANK 1 SENSOR 1?
WHICH O2 SENSOR IS BAD AND NEED REPLACEMENT?
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Jun3252
May 27, 2008.



Bank I is the right side. I recommend replacement of both pre-cat sensors.

Dr. Hagerty
May 29, 2008.