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No Start. No Spark No Check Engine Light Forums > > No Start. No Spark No Check Engine Light No Start. No Spark No Check Engine Light
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Pathfinder Nissan Pathfinder Discussion Forum

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Old 03-12-2017, 07:59 AM
SE007 SE007 is offline
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1998 Pathfinder
1993 Pathfinder
Join Date: Mar 2017
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Default 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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Old 03-12-2017, 11:47 AM
smj999smj's Avatar
smj999smj smj999smj is offline
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2006 Pathfinder
2003 Frontier King Cab
2003 Frontier KC SVE 4x4
Join Date: Jun 2012
Location: Prospect, VA
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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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