Oxygen Sensor Replacement Estimate for Pontiac Firefly

Pontiac Firefly Oxygen Sensor Replacement costs $165 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$164 to $174
Labor: $70 -$80
Parts: $94
Average Dealer price
$282
Average Shop price
$201
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CarServiceYourMechanic PriceShop/Dealer Price
1997 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$172.00Shop/Dealer Price$212.02 - $299.42
1997 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$170.12Shop/Dealer Price$209.73 - $295.76
1999 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$170.12Shop/Dealer Price$209.69 - $295.68
1996 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$170.12Shop/Dealer Price$209.71 - $295.72
1996 Pontiac FireflyL4-1.3LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$172.00Shop/Dealer Price$212.04 - $299.44
1998 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$172.00Shop/Dealer Price$212.02 - $299.41
1999 Pontiac FireflyL4-1.3LService typeOxygen Sensor - Front/Upper/Upstream ReplacementYourMechanic Price$172.47Shop/Dealer Price$212.70 - $300.51
1998 Pontiac FireflyL3-1.0LService typeOxygen Sensor - Rear/Lower/Downstream ReplacementYourMechanic Price$170.12Shop/Dealer Price$209.73 - $295.76
Show example Pontiac Firefly Oxygen Sensor Replacement prices
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Parts required for a Pontiac Firefly Oxygen Sensor Replacement

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450 reviews
Ben
36 years of experience
Ben was a little early for the appointment, but that meant that my car was up and running five minutes after the appointment was supposed to start! Terrific service!
2005 PONTIAC VIBE - CAR IS NOT STARTING INSPECTION
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Patrick
27 years of experience
excellent experience Patrick is a very good mechanic and is courteous and cleans up afterwards and is just a pleasure to work with. I want to keep him as my only mechanic with Our Mechanic. William Crayton
1998 PONTIAC FIREBIRD - OXYGEN SENSOR REPLACEMENT (REAR/LOWER/DOWNSTREAM)
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Joe
38 years of experience
Excellent service. However, my check engine light is back on and there's still a slight intermittent vibration.
2006 PONTIAC G6 - BRAKE PADS REPLACEMENT (FRONT)
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174 reviews
Scott
31 years of experience
Got there early, Got done early, all around great Mechanic!
2001 PONTIAC BONNEVILLE - ENGINE MOUNT REPLACEMENT (FRONT)
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All about Oxygen Sensor Replacement

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.

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