Mechanics

FIRBIRD V6 3.1 OXYGEN SENSOR TEST WIRE

1990 Pontiac Firebird • 6 cylinder 2WD Automatic • 160,000 miles

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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Flamenbird87
January 5, 2011.



The purple wire

Rasmataz
Jan 5, 2011.
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?

Tiny
Flamenbird87
Jan 6, 2011.