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Pontiac Aztek 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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Pontiac Aztek Oxygen Sensor Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Pontiac Aztek Oxygen Sensor Replacement is $166. 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
2001 Pontiac Aztek
3.4L V6 Base • 202,000 miles
Beverly Hills CA 90209
Nov 17, 2020
$140 - $171
2001 Pontiac Aztek
3.4L V6 GT • 302,000 miles
Bakersfield CA 93314
Nov 15, 2020
$144 - $176
2002 Pontiac Aztek
3.4L V6 Base • 47,000 miles
San Diego CA 92150
Nov 10, 2020
$158 - $193
2001 Pontiac Aztek
3.4L V6 Base • 158,000 miles
Lathrop CA 95330
Nov 9, 2020
$148 - $180
2005 Pontiac Aztek
3.4L V6 Base • 245,000 miles
Newport Beach CA 92658
Nov 7, 2020
$158 - $193
2002 Pontiac Aztek
3.4L V6 Base • 174,000 miles
Rimforest CA 92378
Nov 5, 2020
$146 - $178
2004 Pontiac Aztek
3.4L V6 Base • 186,000 miles
San Mateo CA 94401
Nov 2, 2020
$134 - $164
2004 Pontiac Aztek
3.4L V6 Rally • 154,000 miles
Redondo Beach CA 90277
Oct 30, 2020
$156 - $190
2004 Pontiac Aztek
3.4L V6 Rally • 106,000 miles
Los Angeles CA 90034
Oct 16, 2020
$156 - $190
2005 Pontiac Aztek
3.4L V6 Base • 241,000 miles
Los Angeles CA 90091
Oct 15, 2020
$153 - $187
Last Updated:
Dec 17, 2020 6:25 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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