4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

misfiring?

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Old 04-08-2009, 11:42 PM
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masterofthepuppets99
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i got my new (plastic) intake manifold today and i put it on and all together. when i started the car, which it was hard to start, one of my fuel injectors on the drivers side was spewing fuel everywhere. so i pulled it out and put a different o ring on it and that solved that problem. no more leak but now she is idling terrible and is hard to start and wants to die unless i give it gas. im not sure what happened. i do know that when i was putting the coils on my plugs, one of them fell apart and i put it back together. could it be that one of my coil setups is bad or seated wrong? any ideas?
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Old 04-09-2009, 08:30 AM
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Fizzics Boy
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Probably a bad coil if it fell apart.
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Old 04-09-2009, 11:07 AM
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masterofthepuppets99
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well it fell apart because i pulled on it....dont know what i was thinking. but today im gonna take it apart and see if maybe i got it together wrong... i dont know what else to do
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Old 04-09-2009, 03:50 PM
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masterofthepuppets99
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so i checked my coil on plug setup and i took them apart and everything looks fine. another one of my fuel injectors is leaking so i have to go buy new o rings for that one. do you guys think that is the problem?
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Old 04-10-2009, 12:37 AM
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i know this is like a triple post but im closing the thread because i solved the problem. when i put on my new o-rings for the injectors, i didnt rub some oil on the o-rings. and it caused some to leak. after taking them off and oiling them they slipped in perfectly and dont leak. now the car idles correctly and drives fine.
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