Testing for Spark at Coil
Warning: The direct ignition system generates approximately 40,000 volts. personal injury could result from contact with this system.Warning: Apply parking brake and/or block the wheels before performing any test with the engine running.
CAUTION: Spark plug cables may be damaged if this test is performed with more than 1/4 inch clearance between the cable and engine ground.
Spark Check Procedure:
NOTE: The coil pack contains 3 independent coils. Each coil must be checked individually.
1. Remove the cable from number 2 spark plug. insert a clean spark plug into the spark plug boot, and ground plug to the engine .
2. Crank the engine and look for spark across the electrodes of the spark plug. Repeat the above test for the five remaining cylinders.
- If there is no spark during all cylinder tests, proceed to the FAILURE TO START test.
- If one or more tests indicate irregular, weak, or no spark, proceed to CHECK COIL TEST.