Diesel Data: Automotive Repair

Initial Inspection and Diagnostic Overview


Spark Test
a. Disconnect the high-tension cords from the spark plugs.
b. Remove the spark plugs.
c. Install the spark plugs to each high-tension cord.





d. Ground the spark plug.
e. Check if spark occurs while engine is being cranked.

HINT: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 1 - 2 seconds at a time.


If Spark Does Not Occur, Perform The Ignition System Test.
Initial Inspection and Diagnostic Overview