Nira i7x - Page 9

© 2005-2016 Nira Control AB 9
actual (measured) lambda, you may have made a
mistake.
Many standard engines have an average V.E. of
0.85.
60-2 lost
Common pattern on the crankshaft trig wheel. The
trig wheel has 58 tooth-window pairs, spaced 6
degrees apart. Two tooth-window pairs are
missing (“2-lost”) and the resulting wider window
serves as the reference point.