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Old 03-07-2008, 12:20 PM   #1
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Default Jerky going up hills

I was going up a couple hills at 60 mph and felt a quick jerking from what felt like the front wheels. The tach didn't move and I didn't hear anything in the drivetrain. I talked to a friend with the 3800 in a Regal and he said it could be a crank position sensor. Talked with somebody else that said fuel filter change, but that would cause the RPM to jump around so I don't think its that.

Anybody got any ideas?
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Old 03-07-2008, 01:04 PM   #2
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Default jerking

There is a slight chuggle that happens on my 96 when going up hills between 45 - 50 MPH.
If thats what you mean.
Seems to happen when the fluid gets hot and thin. Its almost like an irregular acceleration when the car is in lockup.
Search the 92-99 section and you will see posts on this.
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Old 03-07-2008, 01:12 PM   #3
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could also be ignition related, missfire. this happens when a load is put on the engine in od, like going up a hill.. new plugs and wires if you cant' find the bad wire or plug.
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Old 03-08-2008, 12:18 AM   #4
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I'm with sonoma_zr2. In my '92 LeSabre, when I had those symptoms, new wires and plugs did the trick.
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Old 04-23-2008, 06:03 PM   #5
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I'm still new to the BC but I did experience the same jerking between 40 and 50 MPH. I took it to the shop and my mechanic actually determined that it was the MAF sensor. He told me that he actually worked on several bonneville'* that were jerking and it was the same exact thing. I previously changed my plugs and wires though so that may have had something to do with it.
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Old 04-27-2008, 08:12 PM   #6
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Mine did that and it was a bad plug wire.
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