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Username Post: 89 Cavalier V6, seeking advice
Chew N Tobacca 
Poster
Posts: 22

Age: 36
Loc: Idaho
Reg: 05-14-14
12-24-18 10:17 AM - Post#2755476    
    In response to Chew N Tobacca

Update...

Changed oxygen sensor. Fixed some driveability issues; I drove it around town a bit, symptoms still exist but not as bad. I hooked up the scan tool again to see the values from the o2 sensor, and no real difference in readings. But it did at some point trigger a code 43, electronic spark control / knock sensor circuit. Previous recorded data showed there was communication with knock sensor and spark timing was being adjusted. Now that I changed the o2 sensor, I no longer get anything but a zero reading from the knock sensor. Double checked the wiring to it, all seems intact. Will change it out when the snow is gone and report back again.
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