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09-27-2012, 12:39 PM | #1 | |
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Join Date: Aug 2007
Location: Bolingbrook, Illinois
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Chuggling at 70 mph
I have '98 Transport Montana and I took it on a trip last weekend on the expressway. I would be doing 70 MPH and approach a hill and start depressing the accelerator to maintain my speed and I could feel a chuggling, fishbite kind of feeling. Also, I could hear the engine seem to make a change in its sound coincident with the chuggling. The RPMs at this point were around 2K. I have no codes. I was wondering if anyone knows where to look. It's a 3.4 and all of the normal stuff has been maintained properly (spark plugs, filters, etc.). Thanks.
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09-27-2012, 07:37 PM | #2 | |
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Re: Chuggling at 70 mph
Sure you are not feeling a misfire?
Only way to know whether to know for sure, would be a road test with a scan tool, like a Tech II attached.... You watch transmission slip data and misfire data when the problem occurs to determine if the problem is in the tranny or engine......but like I said, sounds more like a misfire..... |
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09-28-2012, 05:35 PM | #3 | ||
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Re: Chuggling at 70 mph
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