Question about 1989 Honda Prelude

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How do i install a o2 sensor myself?

Needs a new o2 sensor, bad odor of gas and idles funny.. does have the power it should. How can i install this my self?
anyhelp would be appreciated instead of paying a mechanic.. i know i cant be that hard.. right?

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This car has two o2 sensors one on the top of the exhaust, between the fan and on the headers. The other will be located under the car on the catylatic converter. If you have the right part it should be very simple. good luck

Posted on Jul 21, 2008

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The sensors that you purchased were probably universal. These are normally much cheaper than OEM replacement parts. They should have came with wiring instructions and extra parts, you will have to re-wire the harness. If you were not given the parts to change the plug then you may have been given the wrong sensors. You should call the Auto Parts store and double check the Part number to ensure that it is right. Also it could be that the vehicle does not have heated O2 sensors, if this is the case than you need to get O2 sensors that are not heated to replace them.

Posted on Jun 26, 2008


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