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#1
04-09-2013, 01:35 PM
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Ocasionally tugging while cruising..
Hey guys, what might be causing my 1998 Monte with a 3.1 to tug slightly while cruising? It doesn't always do it, but after the TCC locks, it will start tugging, kind of fishbite-ish and you can see the tachometer bobbing up and down about 100 RPMs at a rate of a copule times a second. It's been tuned up and runs great otherwise. Thanks in advance.
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#2
04-09-2013, 07:30 PM
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Re: Ocasionally tugging while cruising..
This can be caused by a slight misfire when the engine is loaded by tcc engagement, or the tcc is slipping, a full scan would should slippage percentages in tcc lock up.
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#3
04-09-2013, 10:25 PM
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Re: Ocasionally tugging while cruising..
I agree with Max......it can be a misfire(even though you had a tuneup)....Possibly a coil/ICM problem.....or......
Could be a tranny slip......
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