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HELP car is running rough and backfires!

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Old 05-06-2009, 10:00 PM
  #21  
351GT
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Originally Posted by NotchAbove
Are you saying after you checked the plugs it ran better ?

You could have a bad wire, or a bad connector at the end of the wire. I have had a few instances were the connector on the wire in the boot cracks.
After I unplugged each spark plug wire from the spark plug while the car was running it idled worse. Checking one at a time. So thats why i don't think its a spark plug wire.
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Old 05-06-2009, 10:16 PM
  #22  
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Originally Posted by grnstang
are you 100 percent positive that your firing order is correct?
Yeah I check it a few times
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