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Saturn SL 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
Average Shop Price RepairSmith Price $ Tell us your vehicle to get a guaranteed price for your brakes from RepairSmith.

This range covers an average oxygen sensor replacement. Tell us your car to get a guaranteed price from RepairSmith.

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Saturn SL Oxygen Sensor Replacement

RepairSmith offers upfront and competitive pricing. The average cost for Saturn SL Oxygen Sensor Replacement is $156. 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
2002 Saturn SL
1.9L L4 Base • 45,000 miles
Del Mar CA 92014
Nov 16, 2020
$139 - $169
1999 Saturn SL
1.9L L4 Base • 187,000 miles
Palm Springs CA 92262
Nov 15, 2020
$141 - $173
2001 Saturn SL
1.9L L4 Base • 45,000 miles
Santa Clara CA 95052
Nov 13, 2020
$143 - $175
2001 Saturn SL
1.9L L4 Base • 25,000 miles
Calimesa CA 92320
Nov 11, 2020
$144 - $176
1998 Saturn SL
1.9L L4 Base • 277,000 miles
Pico Rivera CA 90660
Nov 9, 2020
$137 - $167
2001 Saturn SL
1.9L L4 Base • 55,000 miles
Pleasanton CA 94566
Nov 6, 2020
$125 - $153
2000 Saturn SL
1.9L L4 Base • 21,000 miles
Acton CA 93510
Nov 5, 2020
$141 - $173
1996 Saturn SL
1.9L L4 Base • 287,000 miles
Moraga CA 94575
Oct 27, 2020
$142 - $174
1995 Saturn SL
1.9L L4 Base • 190,000 miles
Torrance CA 90508
Oct 26, 2020
$140 - $172
1997 Saturn SL
1.9L L4 Base • 231,000 miles
La Honda CA 94020
Oct 19, 2020
$144 - $176
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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