Oxygen Sensor Replacement at your home or office.

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Oxygen Sensor Replacement Estimate for Chrysler 300

Chrysler 300 Oxygen Sensor Replacement costs $122 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$108 to $165
Labor: $70 -$80
Parts: $38 -$85
Average Dealer price
$169 to 263
Average Shop price
$131 to 189
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
2018 Chrysler 300V6-3.6LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$119.27Shop/Dealer Price$146.11 - $193.95
2005 Chrysler 300V6-2.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.63 - $180.39
2007 Chrysler 300V6-3.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.58 - $180.31
2011 Chrysler 300V8-5.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.60 - $180.35
2010 Chrysler 300V8-6.1LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$113.23Shop/Dealer Price$138.57 - $181.89
2009 Chrysler 300V8-5.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$113.23Shop/Dealer Price$138.55 - $181.86
2009 Chrysler 300V8-6.1LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$113.43Shop/Dealer Price$138.89 - $182.42
2013 Chrysler 300V6-3.6LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$154.88Shop/Dealer Price$190.69 - $265.28
Show example Chrysler 300 Oxygen Sensor Replacement prices

Oxygen Sensor Replacement Service & Cost

What is the Oxygen Sensor all about?

With each new model year, manufacturers are adding more oxygen sensors to better manage engine operation. Some high performance engines have an oxygen sensor for each cylinder as well as one for the rear of each catalytic convertor. The sensors are located either underneath the hood or underneath the car. The oxygen sensors are connected (screwed) to the exhaust pipe, either in front or back of the catalytic converter. The front (upstream) sensors measure the amount of oxygen in the exhaust system. The purpose of the front oxygen sensor(s) is to measure how rich or lean the gases are as the gases exit the combustion chamber. Depending upon whether the exhaust gas is lean (high in oxygen content) or rich (low in oxygen content), the amount of fuel entering the engine is adjusted by the engine management computer to try and maintain an ideal mixture that produces the lowest emissions output from the catalytic convertor.

Rear (downstream) sensors are located behind the catalytic converter. The purpose of the rear oxygen sensor(s) is to monitor the oxygen content of the exhaust gases leaving the catalytic convertor.

If one or more of the oxygen sensors are faulty, your car may not pass the emissions test. If you drive your car with a faulty oxygen sensor, you may get poor gas mileage and it can damage the catalytic converter.

Oxygen Sensor-MATROX-1

Keep in mind:

  • Many oxygen sensors are damaged by leaking oil or coolant. If that is the case, the cause of that leak needs to be identified and repaired, or else the replacement oxygen sensor will be damaged as well.
  • New vehicles require specific oxygen sensors, and not the universal sensors that were common prior to 1996.

How it's done:

  • Scan the computer in the car for codes.
  • Inspect for vacuum leaks and holes in the exhaust system.
  • Remove and replace the oxygen sensor if it is bad.
  • Check electrical connections.
  • Check for proper operation of oxygen sensors.
  • Clear diagnostic codes.
  • Test drive car.

Our recommendation:

Keep up with the tune-ups. If check engine light is on, don't drive the car too long without getting it inspected. If check engine light is flashing, pull over and get the car towed to avoid costly repairs. Ask the mechanic to inspect the vacuum hoses and leaks in the exhaust system. If the vacuum hose or exhaust system is leaking, it will display an oxygen sensor fault code. Replacing an oxygen sensor may not fix the problem.

What common symptoms indicate you may need to replace the Oxygen Sensor?

  • Check Engine light is on.
  • Car is getting poor gas mileage.
  • Emission test fails.

How important is this service?

Your vehicle has multiple oxygen sensors, and they all help the car run optimally. The front sensors measure how much oxygen is in the exhaust stream to measure how rich or lean the gases leaving the gas chamber are. The rear sensors measure the oxygen content of the gases as they leave the catalytic converter. The oxygen sensors then relay this information to your vehicle’s electronic control unit, so that it can adjust as necessary. Because cars depend on an ideal fuel-to-air ratio to function optimally, the oxygen sensors are leaned on for engine performance. When your oxygen sensors fail your car will run less smoothly, get worse mileage, and have worse emissions.

Fast and easy Oxygen Sensor Replacement service at your home or office.

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Meet some of our expert Chrysler mechanics

Real customer reviews from Chrysler owners like you.

218 reviews
Brandon
13 years of experience
On time and very courteous, checked out everything not just the oil change requested.
2012 CHRYSLER 300 - OIL CHANGE
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87 reviews
Chris
21 years of experience
Chris did a pre-purchase inspection for me. I received an email prior to his arrival at the cars location as promised, and a phone call before he got started to discuss my concerns about the car. He acknowledged my concerns and explained that I would receive a detailed report, with pictures and audio of the items he inspected. Chris sounded very knowledgeable, and was helpful in describing the service he was about to perform. After the service, he called again to describe his concerns with the car, and answered all of my questions with patience and expertise, and again explained that the report would go into detail regarding the service inspections he made. After talking with Chris, and reviewing the online report, I was very satisfied knowing the condition of the car (which I did not purchase, in part because of Chris's report and lengthy conversation about it's condition). I would certainly recommend, and use your services in the future! Thanks Chris!!
2007 CHRYSLER 300 - PRE-PURCHASE CAR INSPECTION
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63 reviews
Melvin
6 years of experience
Melvin is one of the most professional and knowledgable mechanics I have dealt with in a while. He really takes pride in his work and will go the extra mile. Very highly recommended!
2005 CHRYSLER 300 - SHIFT INTERLOCK LATCH
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35 reviews
Doug
15 years of experience
Very good.
2006 CHRYSLER 300 - OTHER INSPECTIONS
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Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
2018 Chrysler 300V6-3.6LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$119.27Shop/Dealer Price$146.11 - $193.95
2005 Chrysler 300V6-2.7LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.63 - $180.39
2007 Chrysler 300V6-3.5LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.58 - $180.31
2011 Chrysler 300V8-5.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$112.43Shop/Dealer Price$137.60 - $180.35
2010 Chrysler 300V8-6.1LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$113.23Shop/Dealer Price$138.57 - $181.89
2009 Chrysler 300V8-5.7LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$113.23Shop/Dealer Price$138.55 - $181.86
2009 Chrysler 300V8-6.1LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$113.43Shop/Dealer Price$138.89 - $182.42
2013 Chrysler 300V6-3.6LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$154.88Shop/Dealer Price$190.69 - $265.28
Show example Chrysler 300 Oxygen Sensor Replacement prices

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