ENGINE PERFORMANCE PROBLEM1997 BMW 540I V8 TWO ...

1997 BMW 540i

Tiny

felomax

November, 5, 2010 AT 2:00 PM

Engine Performance problem
1997 BMW 540i V8 Two Wheel Drive Automatic 223000 miles

HI GUYS.
MAYBE YOU COULD HELP ME OUT
MY CHECK ENGINE LIGHT IS ON I'D READ THE CODE ITS SAYS O2 SENSOR HEATER CIRCUIT BANK 1 SENSOR 1
I WENT AHEAD AND REPLACED THE SENSOR RESET THE COMPUTER AND AFTER 4 OR 5 MILES THE LIGHT CAME BACK ON I CHECKED THE CODE AND ITS THE SAME ONE


THANKS GUYS

FOUND 166 RELATED QUESTIONS

1 Answer

Tiny

Dr. Hagerty

November, 6, 2010 AT 9:27 AM

Maybe it isn't the sensor. Maybe its in the wiring.

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