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ECU codes


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Thanks for the help

 

I did find it rather easily after posting. sry to have wasted your time. I am having a hard time finding either the connect or the LED for the Oxygen Monitor. I can't seem to find either.

 

anyone help me? I have an 87 spfi I believe

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The connectors will be under the hood in the back near the driver's side. Black one is to pull up stored codes, green one is for a diagnostic mode. If the CEL is currently on, don't connect any and just read the light on the ECU.

 

The ECU is located under the steering column. Pull of the lower dash panel and look for the big black box.

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