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Is my name 1998 buick lesabre starts and runs five to ten…

Customer Question
Is my name 1998...

Is my name 1998 buick lesabre starts and runs five to ten min. then dies will start agaian but not good till it sits for five or so got new fuel pump and filter in it

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

When it goes to die it runs rough then chugs out can save it at times if you gas on it

Submitted: 2 years ago.Category: GM
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Answered in 54 minutes by:
1/28/2016
GM Mechanic: Pete, GMC Technician replied 2 years ago
Pete
Pete, GMC Technician
Category: GM
Satisfied Customers: 33,335
Experience: 14 years GM dealership technician and training.
Verified

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

One very common component that causes this issue here that I have had to replace several times before is the crank position sensor itself.This sensor will fail to send a signal to the engine computer on the crank shaft position.This is most common after the engine has ran a bit or coming to a stop.When it acts up the vehicle usually has to sit anywhere from 1 minute to 10 minutes or more before it will restart and run.In allot of cases this sensor when it acts up will not cause a fault code to set making it difficult to diagnose.

With what you have described here this sounds like the component at fault on your model here needing replaced.This sensor is located behind the crank pulley/harmonic balancer and can take around an hour to replace.The part itself is usually less then $100 and can be purchased at a dealer or parts store.This does require a special puller to remove the crank pulley/harmonic balancer to replace it.

https://www.dropbox.com/s/0ghjiysuhfp2yml/cr-01-28.gif?dl=0

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service.You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

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Customer reply replied 2 years ago
Pete i put in the crank poistion sensor and had same thing about five min. then dies wont start till it sits a few
GM Mechanic: Pete, GMC Technician replied 2 years ago

Are there any fault codes setting with this issue here at all?

Have you tested fuel pressure and spark when it will not start to see if these are present?

Let me know so we can continue,thanks Pete.

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