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Audi TT Oxygen Sensor Replacement

As is always the case, the cost of the repair depends on the make, model, and year of your car.

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$90.58 $1010.5
Average Shop Price $428
RepairSmith Price $243
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This range covers an average oxygen sensor replacement. Tell us your car to get a guaranteed price from RepairSmith.

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Audi TT Oxygen Sensor Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Audi TT Oxygen Sensor Replacement is $202. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you.

Car
Location
Quoted on
Price
2005 Audi TT
1.8L L4 Turbo Base • 231,000 miles
Fresno CA 93725
Apr 22, 2021
$167 - $204
2003 Audi TT
1.8L L4 Turbo Base • 179,000 miles
Canyon Country CA 91351
Apr 11, 2021
$167 - $204
2004 Audi TT
1.8L L4 Turbo • 135,000 miles
Tarzana CA 91356
Mar 30, 2021
$162 - $198
2006 Audi TT
1.8L L4 Turbo Base • 160,000 miles
Lancaster CA 93534
Mar 6, 2021
$162 - $198
2005 Audi TT
1.8L L4 Turbo Base • 183,000 miles
Yorba Linda CA 92887
Jan 19, 2021
$171 - $209
2009 Audi TT
2.0L L4 Turbo Base • 62,000 miles
San Diego CA 92130
Nov 20, 2020
$186 - $228
2009 Audi TT
2.0L L4 Turbo Base • 126,000 miles
Barstow CA 92311
Nov 13, 2020
$214 - $262
2003 Audi TT
1.8L L4 Turbo Base • 145,000 miles
Murrieta CA 92562
Nov 13, 2020
$172 - $210
2004 Audi TT
1.8L L4 Turbo Base • 10,000 miles
Vacaville CA 95688
Nov 8, 2020
$209 - $255
2002 Audi TT
1.8L L4 Turbo Base • 139,000 miles
Manhattan Beach CA 90266
Oct 26, 2020
$203 - $248
Last Updated:
Sep 7, 2021 1:46 PM
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What is an Oxygen Sensor?

Would you be shocked if I said it’s a sensor to measure oxygen? Okay, but it’s a bit more than that. Cars have both upstream and downstream sensors (also known as O2 sensors). Upstream oxygen sensors are placed in front of the catalytic converter, and measure the amount of oxygen in the exhaust. The car’s computer then uses that data to determine the proper air to fuel ratio.  Downstream oxygen sensors are located behind the catalytic converter, and measure the efficiency of the converter.

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Signs of a faulty Oxygen Sensor

Poor performance

No one likes poor performance. That includes you, and it certainly includes your car. Faulty O2 sensors will feed misinformation to your car’s computer. The computer will then alter the engine in a way that leads to less power, some hesitation and jerkiness, and running rough. Which means you’ll be embarrassed the next time you try to show off at a green light.

Check engine light

Oh, the check engine warning light. That light that you pretend isn’t there when it lights up. How has that worked out for you? Try as you might, ignoring a check engine light won’t make it go away. And oxygen sensor failure is a common cause of the light illuminating.

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How urgent is an Oxygen Sensor replacement?

You’re not really in any danger driving around with a busted O2 sensor. Your car will still be safe to drive. But the performance won’t be ideal, and you may fail an emissions test. You don’t need to drop everything and run straight to a repair, but get around to it when you can.

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