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My 3.4L has had hesitation and stumbling every now and then. Sometimes it goes away and sometimes it comes back. I have new plugs, wires, coils, fuel filter. My fuel pressure is good also. Can this be caused by my cat being burned out? It burned out and is hollow now and i replaced the exhaust cat back. Or can this be caused by a faulty EGR valve? Either the cat or the EGR valve would be my guess. Help would be appreciated.
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???But try your IAC valve, it may need cleaning or replacing.-235/4517 Chrome Mondera Solaris<br />-Hornet remote start-keyless entry<br />-Pioneer 8400/CD/MP3<br />-2 Audiobahn 10\'s in custom box<br />-Flowmaster exhaust-SLP CAI-*180<br /><br />Never underestimate the predictability of stupidity....Tony from \"Snatch\" -
Already cleaned it.Comment
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I just changed out my spark plugs. I had Bosch platinum plugs and I switched to ac delcos today. The hesitation went away and the car runs really good. Maybe I shouldn't use the platinum plugs again. has anyone ever had problems with platinum plugs?Comment
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yes, switched to iridium and havent looked back since...1997 30th Ann. Camaro RS <br /><br />Aluminum CAI, Magnaflow Cat-Back, Magnaflow Hi-Flow Cat., 160 Thermo. <br />B&M Shift Plus, Taylor 8mm Spiro Pro Wires, NGK Iridium PlugsComment
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well my damn camaro does the same thing. It stumbles once in a few. I also get bad gas milaege and it smell like good gas just being waistedComment
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I've heard a lot of problems crop up with platinums, then there are folks who have no problem and swear by them. I'd suggest just using the AC Delcos, they're cheap and work great in our cars. At least with GM vehicles, you can't go wrong with OEM unless you're looking for performance-oriented applications.Check out my stable of supercharged W-Bodies <a href=\"http://www.fullthrottlev6.com/forums/vbgarage.php?do=view&id=136\" target=\"_blank\">HERE</a><br /><b>\'97 Pontiac GP GTP Coupe</b><br /><b>\'98 Regal GS | L67 3800 Series II</b>Comment
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do you run your ac or defrost because mine does it to but with the ac/defrost off it wont do it
current car- 95 Trans am- bolt ons, parked and collecting dust. why? because **** it
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