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2002 poniac grand am se wont fire please help
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mossy304
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Aug 20, 2012, 11:12 PM
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2002 poniac grand am se wont fire please help
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i have a 2002 poniac grand am se it has has had problems with the alti ator peeking out blowing coil pack.......now the coil pack wpnt fire.....got a new coil pack and altinator is good just had it checked...i dont know what it could be please any help would be great thanks
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Hammer Time
Ultimate Carjunky
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Aug 21, 2012, 3:16 AM
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Re: 2002 poniac grand am se wont fire please help
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I have no idea what you are saying. Try using your spell check if you can't spell basic words. The alternator has nothing to do with ignition coils if that's really what you're trying to say..
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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mossy304
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Aug 21, 2012, 3:42 AM
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Re: 2002 poniac grand am se wont fire please help
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all i know is what i was told by the mechanics that i took it to last time it messed up ( coil pack went out) he said the alternator peeked out and blew the coil.....the coil pack has went out several times since i have had the car and so has the alternator.....but both the alternator and the coil pack are good had both checked....but im still not geting any fire to the spark plugs....i have cheked the fuses and wiring harness for brakes with no luck....
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Tom Greenleaf
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Aug 21, 2012, 4:13 AM
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Re: 2002 poniac grand am se wont fire please help
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Do you mean the alternator and regulator for it has been allowed to put out higher voltage than a 12v car was designed for? If so, there's almost no limit to what electrical items could fail not just coil packs,
T
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mossy304
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Aug 21, 2012, 10:49 AM
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Re: 2002 poniac grand am se wont fire please help
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yes thats what i mean......what could cause the alternater to do that?
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Tom Greenleaf
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Aug 21, 2012, 11:12 AM
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It would be a voltage regulator but I think this one is "regulated" by the PCM not inside the alternator and now that it has been somewhat proven to overcharge for some time there could be several things involved + blown.
Which engine is in this? I couldn't find an internal regulator for the most common 4 cyl engine. Either way this should have given you a warning,
T
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Hammer Time
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Aug 21, 2012, 11:45 AM
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Re: 2002 poniac grand am se wont fire please help
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Internal regulator.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
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Aug 21, 2012, 1:09 PM
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I thought so but couldn't find one separately which most people wouldn't do anyway and if it pegged out voltage probably hurt the alternator as well as who knows what else now?
T
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mossy304
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Aug 21, 2012, 2:21 PM
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Re: 2002 poniac grand am se wont fire please help
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it is the 2.4 L ecotec engine
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Tom Greenleaf
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Aug 21, 2012, 3:05 PM
Post #10 of 17
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Re: 2002 poniac grand am se wont fire please help
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Seems at the moment it will crank and no spark noted. Alternator if really shooting up the volts probably blew something. Alone it doesn't matter if it charges or not as you are just cranking it with no spark.
At the moment just keep the battery charged with an automatic battery charger. Not sure right now what move to make next but it will need a good battery for cranking or testing anything to begin the search for the fix. Alternator is probably toast but shouldn't be the issue right now alone,
T
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mossy304
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Aug 21, 2012, 3:47 PM
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Re: 2002 poniac grand am se wont fire please help
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alternator is good just got it checked and got another coil pack just not sure what else it could be
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mossy304
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Aug 21, 2012, 11:15 PM
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Re: 2002 poniac grand am se wont fire please help
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yes when i say the alternater "peeked out" i mean it pushed to much voltage......but like i said the alternater and coil pack are new......and still nothing
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mossy304
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Aug 21, 2012, 11:20 PM
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Re: 2002 poniac grand am se wont fire please help
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i really have no clue what happened to it this time...all i know is that i got in it....it started fine and i drove it to town 30 minutes up tje road to go see a movie.....cut the car off went wached the movie came back out to a car that wouldnt start......no warnings at all...
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Tom Greenleaf
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Aug 21, 2012, 11:48 PM
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Re: 2002 poniac grand am se wont fire please help
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I think this is all a "Domino" effect. New parts will blow instantly unless the source of the problem is corrected. It needs proper and competent help,
T
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Hammer Time
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Aug 22, 2012, 3:28 AM
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I think your whole theory is wrong. The alternator didn't take out the coils and I doubt the coils are even the problem.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
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Aug 22, 2012, 5:04 AM
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I agree with HT. I have never seen an alternator go full tilt and take out just a coil pack. Even then modern electronics usually start shutting off if the voltage gets out of range as a form of protection. Unlikely it would take out an ignition module on the coil pack because those usually have some type of surge protection build in. Usually what takes out electrical components is a voltage spike when there is a no battery in the circuit to act as a buffer. Have seen an alternator with a shorted diode that caused transient AC voltage to get into the electrical system wacking out electronics, but it didn't damage anything. Briefly full fielded alternators on vehicles and haven't blown anything up as of yet.
Someone needs to troubleshoot this as a no start and figure out what is missing.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Aug 22, 2012, 5:11 AM)
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