184000603 - Z50 MIXTURE STRENGTH ERROR

The diagnostic equipment signals the following error: Mixture strength
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or Examiner Plus) and record the errors and environmental parameters.Check for the 'Mixture strength' error onlyEnd of diagnosisThe 'Upstream Lambda signal' error is presentContinue according to the instructions for the See table Z56 UPSTREAM LAMBDA SENSOR SIGNAL ERROR
Only the 'Mixture strength', 'Misfire', 'Catalyzer' and/or 'Downstream Lambda signal' errors are presentContinue to Step 1
Other errors are presentIdentify and eliminate the cause of the problem
1ERROR DETAIL CHECKAll OKProblems metOperation
Check the detail of the 'Mixture strength' errorEnd of diagnosisThe detail is 'Above the upper limit'Continue according to the instructions for the See table Z52 LEAN FUEL SYSTEM
The detail is 'Below the lower limit'Continue according to the instructions for the See table Z51 RICH FUEL SYSTEM