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  #1  
Old 04-11-2004, 11:20 PM
paulomartin paulomartin is offline
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Unhappy Engine misfires on plug #6

The code reader reports P0306, misfire on plug number 6. I have replaced the plug wires and plugs and I have check the coil. All is working and the plug wire shoots a strong spark. The injectors are all clicking but the code reader still shows 6 continues to misfire and the engine is missing while running. Is the problem a bad injector? Help!
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Old 10-10-2004, 11:21 PM
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buickmastermind buickmastermind is offline
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Re: Engine misfires on plug #6

Change the connector with that of a different injector (if you can. It's easy enough). If it continues to misfire, bad injector. If a different one now misfires, then you got a bad connector.
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Old 11-08-2004, 09:04 PM
stank23 stank23 is offline
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Re: Engine misfires on plug #6

be sure to use ac delco spark plugs i didnt and i had 3 cylinders misfiring.replaced them and all was good
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Old 11-11-2004, 05:56 PM
chat22 chat22 is offline
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Re: Engine misfires on plug #6

Could you use this method for a Pontiac Grand Prix GT?
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Old 11-11-2004, 06:01 PM
chat22 chat22 is offline
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Re: Engine misfires on plug #6

Could you use this method for a 2000 Pontiac Grand Prix GT?
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Old 11-11-2004, 07:14 PM
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Re: Engine misfires on plug #6

What problem are you having with the GP? I think it may be a little difficult to get at your injectors, but if you swap the connectors between two injectors, you should be able to hear if it is clicking or not. Click=good injector.
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