No O2 sensor cause erratic idle? B18c1
06-27-2010, 08:32 PM
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No O2 sensor cause erratic idle? B18c1
I have a 95 B18c1 swap in my 95 civic hatch. And was wondering if the O2 sensor was not hooked up. Can that cause the the idle to jump or be erratic once it is properly warmed up? The engine starts up and the idle jumps to 2k and drops to 1500 rpm. And back and forth. Could it be the O2 sensor? or even knock sensor?
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