Workshop Manual

Yes Check other part 12 Connect special diagnostic tester for Chery to read
part of data stream of the engine, and then
carefully observe part of data stream of the sensor;
apply the accelerator pedal to bottom and then
rapidly release it, observe if the output voltage of
the oxygen sensor can reach below 100mv.
No Replace the sensor
Note: when checking data flow of the oxygen sensor, be sure to note working position
of the engine and let the working temperature of the engine reach the normal value,
because the oxygen sensor only can start to work normally when the temperature is over
300.℃