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#1
10-29-2007, 05:44 PM
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2003 pontiac grandam misfire
i have a problem with my car. the engine is not getting any power. I have a hard time driving it. it shaking tremedously. also the car started smoking from underneath. the exhaust pipe was turning red and smoking from there. is this a major problem? i don't have a lot of money to hire a mechanic..can this problem be solved by myself easily. is it common for grandam's to shake after while? by the way i have a have a V4.
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#2
10-29-2007, 09:31 PM
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Re: 2003 pontiac grandam misfire
By the sounds of it you may have a plugged catalytic converter. Hard to say what it is with the info given. Is the check engine light on? Did the problem start small, and deteriorate to this point?
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Thread Killer
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#3
10-30-2007, 06:03 PM
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Re: 2003 pontiac grandam misfire
Welcome to AF falcon1000.
Does sound like, from what you've described, a clogged Cat Converter. They are not realy cheap, $75-200, and your old one will need cut off then the new one welded in. Also you either hav a 3.4L V6 or the 4 cyl. Hope that helps!
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1999 Grand Am SS 3.4 OHV 
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