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Wow...really? First of all which oxygen sensor are you wanting to replace? Secondly why are you replacing it, its only been 6 years. Anyway this is the way to do it.
Rent an oxygen sensor removal tool from an autoparts store for a 50 deposit. Or find a good crescent wrench to take it off. If its rusted on there your going to need a torch to heat up the sensor for easier removal.
Most important thing of all is though. Are you getting a direct plug in or a universal?
Diret plug is bout $150 (easy plug in like 'yoru old one)
Universal is bout $50 (you have to cut and rewire the 4 wires)
Process...
Find the sensor
Take your torch and heat up the sensor directly with the fire
Take your wrench set it over the sensor and unscrew it
Unplug or cut wire...whatever you chose
Replace...sensor and...make sure wires are soldered back or pluged in
Congrats your done. Hopefully you did it right and didn't have a check engine light!
What else can I help you with?
Replacing heater core in 2003 Chevy impala?
do you need to remove dashboard in 2003 chevy impala to replace heater core
Can you replace a transmission in a 2002 Chevy Impala with a transmission out of a 2003 Impala with the same engine size?
yes , but pressure sensor from older transmission needs to be install in newer one
How do you turn off dusk sensor on 2003 Chevy Impala?
Push the little button
How remove the radiator from 2003 Chevy Impala?
i need a step by step instruction on how to remove or replace a radiator of a 2005 3.4L chevy impala
How do you change the transmission pressure control solenoid on 2003 Chevy impala?
how do you replace a transmission pressure control solenoid in a 2003 chevrolet impala
Why does a gas gage register incorrectly on a 2003 Chevy Cavalier?
the sensor is in the gas tank. you probably need to replace the sensor.
2003 Fuel tank size for Chevy Impala?
The 2003 Impala has a 17 gallon fuel tank
Where is the coolant temp sensor on a 2003 Chevy s10 V6 and how is it replaced?
The coolant temp sensor on a 2003 Chevy S10 V6 is located on the front of the intake manifold. To replace simply unscrew the old sensor and screw on the new one.
How do you replace a license plate lamp on a 2003 Chevy impala?
there should be little screws that you screw out and they pop out and you twist the bulb to remove it
Where is the 2003 Chevy impala ambient light sensor located?
on the dash to the left of the heater vent, peiece is held down by clamps just pop loose lift to access the sensor
What year did the Chevy Impala have aluminum motors?
2003
Where is the knock sensor in a 2003 Impala V6 3.42 VIN-E?
The knock sensor on a 2003 Impala v6 3.4l engine is on the side of the block. The sensor is mounted just above the oil filter.
