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Old 02-12-2009, 05:46 PM
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Acceleration problem Help!

I have a 84 300D that has been having trouble accelerating over 60 mph on the highway. Now it is having problems at lower speeds as well. The clincher is that this only happens on my normal tank, but when I switch to my second tank (for vegi oil) the problem disappears. I realize the problem must be downline of the transmission, engine , etc. but I cant figure it out. After replacing the diesel tank feul filter it still exists. Any ideas? Also, maybe unrelated, when I accelerate at times there is a gun type sound that fires at regular intervals out of the muffler. The intervals increase when acceleration is increased.

Thanks for your help.
Sam

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Old 02-15-2009, 11:23 AM
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Nybody, please?
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Old 02-15-2009, 10:37 PM
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Bueler?
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Old 02-16-2009, 12:43 PM
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Location: Cicero, Hamilton County, Indiana about 30 miles north of downtown Indianapolis
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Did you ever consider listing this problem on the diesel page of the Forum?

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