Question about 2006 Chevrolet Silverado
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Posted on Jan 02, 2017
sound like bad ignition module.make sure where coil pack set in module contacts is clean and making good contact.also make sure plugs and wires is good.
Posted on Jan 09, 2010
SOURCE: Engine light code P0300
I would recommend going back with ac/delco platinum plugs.Some of these "high performance" plugs dont work well in newer gm vehicles.The computer is sensing more than one cylinder misfiring and cant determine the cylinders the style of plug your using could very well be causing this
Posted on Sep 03, 2008
You could have a faulty Fuel injector problem with your poppet valve. There common to go bad and start to leak causing misfires and ruff idle. There is an upgrade to the CSFI to covert to MFI system.
Here is a link that should help you with your P0304: http://members.shaw.ca/betterthanyoutoo/Sticking%20Poppet.htm
Good luck and thank you for using fixya
Posted on Mar 08, 2010
i have a 2001 chevy z-71 5.3L. I keep getting a random/multiple misfire code for cylinder 1 . I have replaced plugs, wires, coil pack(only on #1 cylinder)., and fuel pump. I still keep getting the cylinder 1 misfire code. I put truck on a scanner and watched the cylinders. # 1 misfires at idle but quickly stops misfiring at around 1000 rpms. you can here the engine miss at idle but truck runs great on road . anyone else ever had this problem?
Posted on Jun 09, 2010
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