Could it be the o-sensor? or something else completely?

Asked by Aug 04, 2014 at 10:43 AM about the 2002 Chevrolet Cavalier Base

Question type: Maintenance & Repair

My chevy cavalier 2002 stopped running before it quit on me it would shake when first
cranked and if I would let it idle for a few minutes it would stop, but if I tried to put it in gear
it would shut off.

6 Answers

143,425

You mean o2 sensor? No. a faulty o2 sensor may cause you car to run with an improper fuel/air trim but not what you describe. Suggest an OBD scan to help find out what's going on

1 out of 1 people think this is helpful.

p0420 is one of the errors that came up.

210,795

http://www.obd-codes.com/p0420

1 out of 1 people think this is helpful.
143,425

http://www.obd-codes.com/p0420, I can't copy and paste the causes and solutions, it's copyrighted. But I can say there are LOTS of possible causes, your cat is not working properly (catalytic convertor) and one of the possibilities is indeed a faulty o2 sensor

1 out of 1 people think this is helpful.
143,425

at least we agree Tom

1 out of 1 people think this is helpful.

i have a 2000 cavalier and we just replaced the 02 sensor as the check engine light on. everything he adjusts it, if is ok for a few hours and later that day it comes back on.. it runs a little rough, he said he found a lot of water in the tank a few weeks ago. put dry gas in it and i put premium gas in it, hoping it will work its way out?? i know i am probably dreaming. any suggestions

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