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Misfire problem. Tried all the usual things. Need Help!

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Old 02-16-2005, 06:07 PM
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Default Misfire problem. Tried all the usual things. Need Help!
I am having an intermittent misfire problem in my number 6 cylinder. The car will misfire under a load and WOT and it starts around 1500 RPM. I have tried swapping coil packs, injectors and the sensors on the air filter. The problem came back and still in the #6 cylinder. I have replaced the sparkplugs and coolant temperature sensor the problem didn't change. I also ran a bottle of fuel injector cleaner through it and it didn't make a difference. The car is stock and has 30,000 miles on it. The only other problem I am seeing is poor fuel mileage. Does anyone have any other ideas? I am willing to try anything. Thanks in advance.

2000 S4
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Old 02-16-2005, 06:21 PM
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Default Did you swap the two ignition amplifiers?
Don't have a pic for you...but they are under one of the engine covers I think.
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Old 02-16-2005, 06:24 PM
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Default Re: Did you swap the two ignition amplifiers?
Yes, I swapped them but, it didn't make a difference.
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Old 02-16-2005, 06:27 PM
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MAF? Only cyl 6?
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Old 02-16-2005, 06:28 PM
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In my experience unsolvable problems start from a simple oversight. #6= driver's side rear right?
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Old 02-16-2005, 06:31 PM
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right
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Old 02-16-2005, 06:46 PM
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bad wire maybe?
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Old 02-17-2005, 05:32 AM
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Re: Yes, only cyl #6, How can I test MAF?
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Old 02-17-2005, 05:38 AM
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I wish that was the problem but, I am working on #6
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