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197 Posts
I have heard that bad O2 sensors sometimes causes the RPM to behave like this on start-up.
It happened to me once when I had an italian car, it turned out the O2 sensor was bad. Hadn't happened again after I replaced it.... Then again, the car was italian so....
It happened to me once when I had an italian car, it turned out the O2 sensor was bad. Hadn't happened again after I replaced it.... Then again, the car was italian so....
