Early Fuel Evaporation ( EFE ): Testing and Inspection

Fig. 43 Electrically heated EFE diagnosis chart. Except 4-119 engines:

Fig. 44 Vacuum servo EFE diagnosis chart:

Refer to Figs. 43 and 44 for EFE diagnosis on all except 4-119 engines and models with C-3 system control. On 4-119 engines, check that operation is consistent with description outlined previously.