Vehicle Damage Warnings

TESTING FOR SPARK AT COIL

CAUTION: Spark plug wire damage may occur if the spark plug is moved more than 1/4 inch away from the engine ground.

CAUTION: Do not leave any one spark plug cable disconnected any longer than 30 seconds or possible heat damage to catalytic converter will occur. Use a new spark plug and spark plug cable for the test.

CAUTION: Test must be performed at idle and in Park only with the parking brake on.

CAUTION: Always install the cable back on the coil tower after testing to avoid damage to the coil and catalytic converter.