Quote:
Originally Posted by AndrewCologne
Do the tests MySocial911 recommendet, especially check the reference voltage at pin 2 of the ecu with o2 sensor unplugged, should be 0.5v.
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Can someone please explain in detail how to check this. I am checking both the O2 plug and pin 2 for .5 VDC? Both with O2 unplugged? I have the fuel pump jumpered should I leave it like that or put the relay back in. Start the engine and check inside the O2 plug for .5VDC? Or can I just go to run?
Sorry for all the questions. I’d love to take a class in automotive electronics.