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Home >> Mercedes Benz >> 1991 >> 350SD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> EZL Electronic Ignition Checks >> Spark

EZL Electronic Ignition Checks: Spark

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Remove fuel pump relay or MAS unit before cranking engine. Using high output spark tester, inspect coil wire for spark and then inspect each spark plug wire. Using ohmmeter, verify correct spark plug wire resistance on suspected wires. See HIGH TENSION WIRE RESISTANCE TABLE.

HIGH TENSION WIRE RESISTANCE

Application Ohms
All Wires 25,000-30,000