Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: location of oxygen sensor called bank 1 sensor 1 on 2004 Acura TL

Where is the oxygen sensor identified as bank 1 sensor 1 located? I need to replace it, but don't know it's location.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Bank 1 means where number 1 cylinder is. sensor 1 is the O2 sensor upstream from the cat not after the cat.
Where is the oxygen sensor identified as bank 1 sensor 1 located? I need to replace it, but don't know it's location.
1999 oldsmobile intrique 3.8 liter engine
Didn't find what you were looking for?