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VEHICLE EMISSION CONTROL INFORMATION DESCRIPTION All vehicles are equipped with a combined VECI label(s). The label is located in the engine compart- OPERATION The VECI label(s) contain the following: • Evaporative family • Emission control system schematic • Certification application • Spark plug and gap matic. There are unique labels for vehicles built for DIAGNOSIS AND TESTING FIXED ORIFICE FITTING/CCV SYSTEM Before attempting diagnosis, be sure locations of fixed orifice fitting and air inlet fitting (Fig. 10) have (1) Pull fixed orifice fitting (Fig. 10) from valve cover and leave tube attached. (2) Start engine and bring to idle speed. heard as air passes through fitting orifice. Also, a (4) If vacuum is not present, remove fitting orifice fitting from tube. Start engine. If vacuum can now be (5) If vacuum is still not felt at hose, check line/ hose for kinks or for obstruction. If necessary, clean Fig. 9 VECI Label Location 1 – VECI LABEL (CANADIAN) Fig. 10 Fixed Orifice Fitting and CCV System—4.0L Engine 1 – AIR INLET FITTING 25 - 28 EMISSION CONTROL SYSTEMS WJ DESCRIPTION AND OPERATION (Continued) |