code 0430 how,to trouble shoot

Question

engine light comes on and sometimes the wrench appears, when the wrench appears you lose power and when you accelerate and then let off the gas it makes a whistling noise

Answer 1

Have the Recall that is called for performed on this , what happens is the downstream 02 sensor does not go to complete, and as a result the engine management stays biased rich, What they will do is reprogram the ECM, as long as the catalytst is still good.