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92 Pathfinder SE - Intermittent Fuel Injector Pulse

thurstonclark

By thurstonclark,
in The Garage

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thurstonclark NPORA Newbie

thurstonclark

Posted
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My 92 Pathfinder SE runs intermittently. Fuel injector pulse cuts out when I hit a bump or go around a turn. Any help in troubleshooting this would be appreciated. I have already checked the ignition switch and relays. Sometimes, it won't start even though I can feel the vibration in the fuel line coming from the fuel pump. It is definitely geting a spark. When it won't start, I can spray starting fluid in and it kicks over for a couple seconds. Please help, this issue has got me completely baffled.

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Slartibartfast NPORA Old-Timer

Slartibartfast

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Sounds like something bad or loose in the injector wiring. Given that they all cut out at once, I doubt it's the injector harnesses, but I suspect that they come together at some point for a common ground... which is likely loose or corroded. You can download the factory service manual (with full wiring diagrams!) from here: http://www.nicoclub.com/FSM/pathfinder/1995_Pathfinder/

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