1991 Honda Accord Diagnostic Code Help

1991 HONDA ACCORD
230,000 MILES • 4 CYL • FWD • AUTOMATIC
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COLFRBN2001
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I received a diagnostic code of 4 long blinks followed by 1 short blink. I'm interpreting this as "Code 41 Heated oxygen sensor heater." What does this mean and where should I start?
Jun 15, 2010 at 6:45 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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