Poor turbo performance
Symptom: Performance problems
| Poor turbo performance | 
Fault symptoms
Performance problemsConditions
No conditions.Diagnostic procedure
| • | Check that the turbo shaft rotates freely. | |
| • | Check that the mass air flow sensor leaves the correct information; it may require cleaning. See
        
         Cleaning the mass air flow sensor. | |
| • | Check the vacuum hoses and connections for leaks. | |

 
		