Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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JDL
CAR REPAIR CONTRIBUTOR
16,098 POSTS
You might check for applicable mil codes? Primary voltage to coil comes from the asd relay. I'd check the circuits at the asd relay, also, look for an rpm signal that comes from the optical sensor in the distributor for 3.0L engine.