Originally Posted by 89 vert
Update: Found left side 02 sensor with 1 wire broken off. I re connected the wire and it made no difference. I sprayed everywhere there is vac. and intake with spray, and no idle change at all. It is getting a little worse. It will do it it now here and there at idle. Sometime it is a loud backfire when I start it. This weekend I will be trying to get the codes out of it. Should the 6al box be making a ticking sound when you put your ear near it??
Maybe the broken wire killed the O2. Try a new one.
Did you pull the plugs?
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