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If your 2003-2008 Pontiac Vibe suffers from symptoms like shaking or vibrating, engine rattling, increased gas mileage, or increased exhaust emissions, there’s a chance you need to replace the air fuel sensor.
This guide will help you replace the air fuel sensor on your 2003-2008 Pontiac Vibe. You will need an air fuel sensor, a socket wrench, and an O2 sensor socket for this repair.
Important note: your car must be completely off to complete this repair!
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Open the hood and locate the old air fuel sensor.
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The air fuel sensor is located above the catalytic converter (upstream).
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Disconnect one end of the old sensor by pressing the button. The circle in the first image shows the button.
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Take the 5-point O2 sensor wrench and socket and put it on the other end (downstream) of the old air fuel sensor.
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Turn the wrench counterclockwise until the old air fuel sensor detaches.
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Pull out the old air fuel sensor.
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Locate the new air fuel sensor.
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Locate the tube of anti-seize lubricant that came with the new sensor.
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Apply the oil lightly to the threads.
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Insert the newly oiled air fuel sensor.
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Tighten the sensor with the O2 sensor wrench.
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Turn your ignition on.
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Check your dashboard to see if the check engine light is still on.
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If the light is still on, turn the car off and wait a few minutes. Then turn the car back on and check the light again.
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If the check engine light is still on, then use a code reader to see what is wrong with the car.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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UM-SNEED-S24S4G2
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STEP 3 SAYS "Take the 5-point O2 sensor wrench and socket and put it on the other end (downstream) of the old air fuel sensor." DOWNSTREAM? I thought we were working on UPSTREAM. I'm goin fishing !!!
