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10-20-2004, 05:48 PM
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#1 | |
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AF Newbie
Join Date: Oct 2004
Location: Merrilville, Indiana
Posts: 6
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Code P0301 misfire cyl #1 Help!
I just bought a 1999 Buick Park Ave. ( not a Ultra). It gives me a code P0301 (#1 cyl eng misfire). It only happens at 4500 to 5000rpm when accelerating onto the highway. I don't normally push it that hard only when I need to. I have changed the wires, plugs,all the coil packs, air filter, and gas filter. I don't know if I should change the control module located under the coil packs ($160.00) or have the injectors cleaned by a shop. I have checked the injectors with an ohm meter and they are very close in ohms to each other. I am new to this forum and any help would be greatly appreciated. Each time I have worked on the car I have erased the code and it still pops up at 4500-5000 rpm.
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10-20-2004, 06:31 PM
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#2 | |
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AF Enthusiast
 
Join Date: Apr 2004
Location: Orlando, Florida
Posts: 1,463
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Re: Code P0301 misfire cyl #1 Help!
Try some fuel injection cleaner. These cars have known issues with injectors plugging up. Good Luck.
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10-21-2004, 08:28 AM
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#3 | |
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AF Regular
 Join Date: Nov 2003
Posts: 339
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the injector is either bad or clogged. A bottle of K100G does wonders!
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