#1
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No Start. No Spark No Check Engine Light
I have a 98 Nissan Pathfinder SE 3.3 V6 Automatic 4x4 and it won't start. No spark No check engine light when you turn the key on and no connect to PCM/ECU when you try to read the codes with a scanner. All the fuses and relays look good and wiring any ideas before I start tearing It apart looking for an open circuit?
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#2
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Try checking for codes using the manual procedure at the ECM. (For info on how to do this, go to: Nissan – OBD/OBD2 Trouble Codes
If the LED's in the ECM don't illuminate, I would suspect a power supply problem to the ECM or a bad ECM. The Engine Control section of the factory service manual would be helpful in providing diagnostic info and wiring diagrams. There should be a downloadable copy available in the "Knowledge Base" section at this site. |
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check, engine, light, spark, start |
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