125000730 - 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 sensor signal error is presentContinue according to the instructions inSee table    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.
1SIGNAL PLAUSIBILITY CHECKAll OKProblems metOperation
Checking the plausibility of the flow meter signal by carrying out theContinue to Step 2The signal is not plausibleReplace the flowmeter Op. 1056B09
2ERROR DETAIL CHECKAll OKProblems metOperation
Check the detail of the Mixture strength errorEnd of diagnosisThe detail is above the upper limitContinue according to the instructions inSee table    See table Z52 LEAN FUEL SYSTEM
The detail is Air leaks downstream of the flow meterContinue according to the instructions inSee table    See table Z52 LEAN FUEL SYSTEM
The detail is below the lower limitContinue according to the instructions inSee table    See table Z51 RICH FUEL SYSTEM