Hard to Start

SYMPTOM DESCRIPTION
Engine cranks OK, but does not start immediately. Will eventually start and run, but may die shortly after.



SYSTEM OR COMPONENT TO CHECK ACTION



FUEL
NOTE Fuel pump should turn "ON" for 2 seconds when
ignition is turned "ON."
CHECK FUEL PUMP RELAY
FUEL PRESSURE
WATER CONTAMINATED FUEL
FAULTY IN-TANK FUEL PUMP CHECK VALVE
This could allow the fuel in the lines to drain
back to the tank after the engine is stopped.


IGNITION CHECK Proper ignition voltage output with
spark tester J 26792 or equivalent (ST-125).
Spark plugs, wet plugs, cracks, wear,
improper gap, burned electrodes or
heavy deposits.
Bare and shorted wires.
Moisture in distributor cap.
Worn distributor shaft.
Pickup coil connections.
NOTE If engine starts, but then immediately stalls,
disconnect the set timing connector. If engine
then starts, and runs OK, replace distributor
pickup coil.
EST CIRCUIT 423 for short to ground.




EMISSIONS CHECK EGR system Valve operation