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  #1  
Old 03-31-2013, 11:24 AM
needsomehelp needsomehelp is offline
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1998 Pathfinder
 
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Default Need help with cylinder #2 misfire

Hello,
Started my PF up this morning and it did not run right and get a cylinder #2 misfire code. After looking into I found the this (see pictures) mangled and am guessing this is the problem. Also there was quite a bit of shredded foam in and around the plug. I think this was something I ran over on the road maybe since I cannot find anything similar anywhere in or around the engine.

What is the mangled part called and can I buy a new one and replace it? The first pic is of the mangled one, the second is of one in good shape.

Would I just cut into the plastic cable shroud to rewire a new part?
Thanks
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Need help with cylinder #2 misfire-p3311282-jpg   Need help with cylinder #2 misfire-p3311281-jpg  
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  #2  
Old 03-31-2013, 02:04 PM
needsomehelp needsomehelp is offline
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1998 Pathfinder
 
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I figured out that I need a fuel injector pigtail but no auto parts stores near me carry them. Does anyone know if the dealer will have these or should I just order one online and wait for it to arrive?
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  #3  
Old 03-31-2013, 06:13 PM
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bennyb53 bennyb53 is offline
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2002 Altima
2002 Altima
 
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there's no doubt those bare wires are the problem causing the misfire. i can see one wire completely broken off from the connector. you will definitely need a new harness with connector. you can talk to a Nissan dealer parts dept. the alternative to that is if you can find a good injector harness in a salvage yard for your model. sometimes parts can go back 1 year and forward 2 yrs. so compare the # of pins and wires and same color with your model. you then splice using a heat shrink and wrap in electrical tape. when splicing cut one wire at a time so there's no confusion.
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Old 03-31-2013, 06:24 PM
needsomehelp needsomehelp is offline
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1998 Pathfinder
 
Join Date: Mar 2013
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Quote:
Originally Posted by bennyb53 View Post
there's no doubt those bare wires are the problem causing the misfire. i can see one wire completely broken off from the connector. you will definitely need a new harness with connector. you can talk to a Nissan dealer parts dept. the alternative to that is if you can find a good injector harness in a salvage yard for your model. sometimes parts can go back 1 year and forward 2 yrs. so compare the # of pins and wires and same color with your model. you then splice using a heat shrink and wrap in electrical tape. when splicing cut one wire at a time so there's no confusion.
Thanks,
I will be calling a Nissan dealer tomorrow and if they are out I can order 1 here. There are only 2 wires and I know which one goes where.

1998 NISSAN PATHFINDER Wiring Connectors and Pigtails - Fuel injector connector pigtail Wire Connector Style - V6 Engine Type - SummitRacing.com
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  #5  
Old 03-31-2013, 07:31 PM
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smj999smj smj999smj is offline
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Looks to me like rodent damage! Mice love Nissan wiring; I think they make the insulation out of cheese! I had a guy with a 95 Maxima who's engine wiring I had to fix 3 times in a 6-month span due to mice chewing it up.
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Old 04-01-2013, 05:21 AM
needsomehelp needsomehelp is offline
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1998 Pathfinder
 
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Quote:
Originally Posted by smj999smj View Post
Looks to me like rodent damage! Mice love Nissan wiring; I think they make the insulation out of cheese! I had a guy with a 95 Maxima who's engine wiring I had to fix 3 times in a 6-month span due to mice chewing it up.
That would make sense with all the small foam pieces I found in the area. I really don't think the foam came from the car but I will post some pics in a bit.
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Old 04-01-2013, 07:27 AM
needsomehelp needsomehelp is offline
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1998 Pathfinder
 
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Quote:
Originally Posted by smj999smj View Post
Looks to me like rodent damage! Mice love Nissan wiring; I think they make the insulation out of cheese! I had a guy with a 95 Maxima who's engine wiring I had to fix 3 times in a 6-month span due to mice chewing it up.

It's fixed now. My local dealer gave me a clip and it runs fine now.
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