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Old 08-08-2023, 07:49 AM
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MPKind MPKind is offline
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Join Date: Mar 2002
Location: Champlin, MN
Posts: 841
Default Suddenly no spark

Been getting occasional cut outs at hard acceleration up around 5k in 1st gear. Been going back and forth between fuel pump or ignition.

Thought it was the pump since the tach stayed at the RPM. The coil was still sending a signal to tach.

3 days ago it cut out at cruising speed, but after 2 seconds it fired and I kept going.

Yesterday, I had to have it towed home. AAA to the rescue. I was sure it was the fuel pump. Once home I verified there was no gas squirting, but there was fuel after all. So I pulled a plug, no spark, but there was a signal off the coil primary to the tach and I could get a dwell reading while cranking.

It is a points system. New FAST coil, new Blue Streak ignition parts. No broken wires.

Tests I’ve performed so far are suggesting the solenoid. My thoughts are that would prevent it from starting, but why would it kill it once running when the starter isn’t doing anything anyway.

Other possible items could be the ignition switch or perhaps it’s at the bulkhead connector.

More testing after work today.

 


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