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Relocation of Oxygen Sensor 200 1990

posted by  raidman on  Thu Apr 22 16:38 CST 2010
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last visit: Fri Apr 4 22:17 CST 2014
[RELATED]

I'm hoping this will cure the 'check engine' signal and also the surging idle. I think if the CPU is not getting the correct input from the O2 sensor, it doesn't know whether the car is running rich or lean. So it jumps from one extreme to another.
I'll post on this thread tomorrow night, as the swap will be done tomorrow.
Also taking off and cleaning the Cold Start Injection valve, then reinstalling. Maybe also help with surging idle??
el raidman






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