MAP/AIR
PCV VACUUM NIPPLE
INTAKE MANIFOLD
TEMPERATURE
SENSOR
IGNITION COIL
FUEL
SUP-
PLY LINE
PL
DIAGNOSIS AND TESTING (Continued)
(7) Inspect the electrical connections at the MAP
sensor/intake air temperature sensor and the (Fig.
36).
Fig. 36 MAPIntake Air Temperature Sensor
(8) Inspect the fuel injector electrical connections
(Fig. 37).
Fig. 37 Fuel Injectors
FUEL RAIL
QUICK-
FUEL
CONNECTS
LINE
FUEL INJEC-
TOR
(9) Inspect the ignition coil electrical connector.
PURGE
DUTY
CYCLE
SOLENOID
VALVE
EVAP
Ensure the spark plug insulators are firmly seated
over the spark plugs (Fig. 38).
Fig. 38 Ignition Coil and Spark Plugs—Typical
(10) Inspect the electrical and hose connections at
the duty cycle purge solenoid (Fig. 39).
Fig. 39 Duty Cycle Purge Solenoid
FUEL SYSTEM
14 - 39
SPARK
INSULATOR
PLUG
SPARK PLUG CABLE
IGNITION
COILS
ENGINE MOUNT