3360351 - Z50 MIXTURE STRENGTH ERROR

The diagnostic equipment signals the following error: Mixture strength
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
1.6 16v 2.4 20vConnect the tester (Examiner or Examiner Plus) and transcribe the errors and environmental parametersCheck for the 'Mixture strength' error onlyEnd of diagnosis'Upstream lambda probe' error presentSee table   Z56 
'Upstream lambda probe' error presentContinue to Step 1
'Upstream lambda probe' error presentIdentify and eliminate the cause of the problem
1.2 16v 1.8 16vConnect the tester (Examiner or Examiner Plus) and transcribe the errors and environmental parametersCheck for the 'Mixture strength' error onlyEnd of diagnosis'Upstream lambda probe' error presentSee table   Z56 
Only the 'Mixture strength', 'Misfire', 'Catalyzer' and/or 'Downstream Lambda signal' errors are presentContinue to Step 2
Other errors presentIdentify and eliminate the cause of the problem
1CHECKING SIGNAL PLAUSIBILITYAll OKProblems metOperation
1.6 16vCheck the plausibility of the MAP sensor signal.Continue to Step 2The signal is not plausibleReplace the sensor Op. 1056B44
2.4 20vChecking the plausibility of the flow meter signal.Continue to Step 2The signal is not plausibleReplace the flowmeter Op. 1056B12
2ERROR DETAIL CHECKAll OKProblems metOperation
1.2 16vCheck the detail of the 'Mixture strength' errorEnd of diagnosisThe detail is 'Above the upper limit'See table   Z52 
The detail is 'Above the upper limit'See table   Z51 
1.6 16vCheck the detail of the 'Mixture strength' errorEnd of diagnosisThe detail is 'Rich system'See table   Z51 
The detail is 'Idle too rich'See table   Z51 
The detail is 'Lean system'See table   Z52 
The detail is 'Idle too lean'See table   Z52 
1.8 16vCheck the detail of the 'Mixture strength' errorEnd of diagnosisThe detail is 'Above the upper limit'See table   Z51 
The detail is 'Below lower limit'See table   Z52 
2.4 20vCheck the detail of the 'Mixture strength' errorEnd of diagnosisThe detail is 'Above the upper limit'See table   Z52 
The detail is 'Air leaks downstream of flow meter'See table   Z52 
The detail is 'Below lower limit'See table   Z51