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Product Description
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Detect the resistance of the oxygen sensorWhen the engine temperature reaches normal, unplug the wire connector of the oxygen sensor and use a resistance meter to detect the resistance between the oxygen sensor terminals. The resistance value should meet the requirements of the specific model standard value (generally 440Ω) |
Detecting oxygen sensor voltageUse the fault diagnosis instrument to detect the engine, extract the fault code, and observe the data stream. The operation of the oxygen sensor is judged by the magnitude and frequency of the voltage change of the oxygen sensor. If it is working properly, the voltage should be between 0.4 and 0.6V. If the voltage is always at 0.45V, the oxygen sensor will not work. |
Observe the appearance color of the oxygen sensor probe
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How to install?
OXYGEN SENSOR FITMENT
OEM PART NUMBER
234-4407*4
COMPATIBLE MODELS
Make Model Engine Year Notes
CHEVROLET SILVERADO 1500 V6-4.3 2006-2003 2Pcs Upstream + 2Pcs Downstream
CHEVROLET SILVERADO 1500 V8-4.8 2005-2003 2Pcs Upstream + 2Pcs Downstream
CHEVROLET TAHOE V8-4.8 2005-2003 2Pcs Upstream + 2Pcs Downstream
GMC SIERRA 1500 V6-4.3 2006-2003 2Pcs Upstream + 2Pcs Downstream
GMC SIERRA 1500 V8-4.8 2005-2003 2Pcs Upstream + 2Pcs Downstream
GMC YUKON V8-4.8 2005-2003 2Pcs Upstream + 2Pcs Downstream
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
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When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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