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2000 buick: 600 miles..oil changes..jerk..I step on the accelerator

 
eric's Avatar
  • Answered by:eric
  • Automotive shop manager
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Customer Question

Hi, I am contacting you so that I have some knowledge of my car's problem before I go to the dealer and they try to rip me off. I have a 2000 Buick CenuturyCU with only 47,600 miles. I constantly go for oil changes and take care of this car.
The car has started to jerk when I step on the accelerator. Then it rides smoothly.
Any ideas? Thanks.

 

Country: United States
Make: Buick
Model: Century Custom
Year: 2000
Engine: 6 cyclinder

Already Tried:
Nothing yet

Submitted: 360 days and 15 hours ago.
Category: Buick
Value: $18
Status: CLOSED
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Expert:  eric replied 360 days and 15 hours ago.

Hi,

does the check engine light blink on and off when this occurs? Is it not on at all or on steady?

does this occur at all speeds, or only when taking off from a stop?

does it occur whether engine is cold or warmed up?

Customer replied 360 days and 15 hours ago.

I need to to downstairs to check.....so please wait a minute.

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Expert:  eric replied 360 days and 15 hours ago.

Hi,

ok, no problem

Customer replied 360 days and 14 hours ago.

Hi Again, ERic,
No light on dashboard
I drove car around complex, starting and stopping and it was fine.

It basically happened in stop and go traffic and continued for maybe 1/4 mile til I got home even though I speeded up a little. Then I came home. Sorry I can't give you more details.

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Expert:  eric replied 360 days and 14 hours ago.

Hi,

Common problems to cause this range from engine misfire(plugs/wires/coil), faulty fuel injector, fuel filter or fuel pump, or possibly a faulty TP sensor on the throttle body.

I wish I could narrow down to just one or two things, but the symptoms in this case can be one of several potential causes.


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Customer replied 360 days and 14 hours ago.

I forgot to tell you that no lights came on while I was driving when this happened. Would that change your answer at all?

Accepted Answer

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Expert:  eric replied 360 days and 14 hours ago.

Hi,

no, still will be the same for the answer

Expert TypeAutomotive shop manager
Category: Buick
Pos. Feedback: 95.9 %
Accepts: 512
Answered: 4/28/2012

Experience: over 20 years experience as a Automotive shop manager and tech/JA Mentor

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Customer replied 360 days and 14 hours ago.

These are the last questions I will bother you with and also, thanks for your expertise. At least now, I don't feel so dumb.

1. Do you think I should wait til the problem happens again before I take it in somewhere? Will a mechanic be able to see the problem? We have lots of young ones around where I live.

2. Please, please tell me that you don't think it's the transmission!

 
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