FIRBIRD V6 3.1 OXYGEN SENSOR TEST WIRE

1990 Pontiac Firebird

Tiny

flamenbird87

January, 5, 2011 AT 10:09 PM

Does anyone know what wire on the o2 sensore sends the signal to the ecm?I need to text mine
thanks

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2 Answers

Tiny

rasmataz

January, 5, 2011 AT 10:20 PM

The purple wire

Tiny

flamenbird87

January, 6, 2011 AT 10:46 PM

I just checked my 02 sensore it is a single wire (blk) I just replaced it and it seems the car is running better, but it still idles a little rough and the rpm's jump a little between 700 and 750 at idle. Also I notice vibration at idle, could this be due to a motor mount?

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