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JB7 - Verify Scope Pattern 1



Spark Plug Firing Voltage Pattern:






- Is the average value of spark plug firing voltage 15 KV or less with evenness of spark plug voltage 5 KV or less?

YES -- These are normal values for a properly operating ignition system. Test complete. Go to Pinpoint Test Step HD8 for fuel injector and pressure test. HD8 - Check Resistance of Injector(s) and Harness

NO -- Go to JB8. JB8 - Verify Scope Pattern 2
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