Misfire Recognition, Checking

Misfire Recognition:
Checking:

Special tools, testers and auxiliary items:
- VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.

Test sequence:
- Engine running at idle
- Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01. Testing and Inspection




Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block" function 08 and press -Q- button to confirm input.




Indicated on display
- Press buttons -1-, -1- and -0- to input display group 110 and press -Q- button to confirm input.




Indicated on display (1-4 = display fields)
- Check the specification for misfire recognition (display fields 2-4):





- Read the readiness code. If DTC memory has been erased, verify repair via appropriate display group See Readiness code, creating. Testing and Inspection
- Press -> button.
- Press buttons -0- and 6- to select "End Output" function 013 and press -Q- button to confirm input.

Evaluating display group 110