Question about 1992 Buick Century

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My 1991 buick century after changing gear around 45mph loses power and boggs down but will pick back up to speed when it down shifts to a lower gear.

Seems like it's getting to much gas or not enough. almost like it's only running on 5 cylinders

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  • randy peters Nov 03, 2012

    will my service engine light be on with this problem. it is not

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  • 444 Answers

Not on that old of a car, Transmission is slipping, Does the transmission fluid look darker then usaul, Or smell burn,t, If it is real dark in coulor or smells burn,t, End has never been changed in that old of a car,Transmission need to be (Rebuilt)

Posted on Nov 03, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

csmock132
  • 4669 Answers

SOURCE: 2001 Buick Century shift solenoid

It is in the side cover on the valve body. The transmission needs to be removed to access the solenoids.

Posted on May 18, 2009

emissionwiz
  • 75051 Answers

SOURCE: 1995 buick century transmission trouble

Most likely causes is the OD shift solenoid or less likely the VSS

Posted on Oct 29, 2008

  • 1 Answer

SOURCE: Lower Control Arm Bushing replacement

Hi,
I just did this job on my 98 regal, and I own the service manuals also. The lower control arm bushing that usually goes, is the front one. The rear one doesn't usually go, it is horizontally mounted. The front one for some reason is vertical. The control arm must be removed, and put in a vise. The front bushings outer metal sleeve, must be driven out with a chisel. It comes out easily. The new bushing can be tapped in with a hammer. Hope this helps!
JOEVETTE

Posted on Mar 01, 2009

  • 118 Answers

SOURCE: My 2002 Buick Century is jerking when it shifts

Jerky shifts with an automatic transmission is normally cause by the valvebody in your transmission sticking. You could try to change the transmission fluid and filter but I seriously doubt this will solve your problem. Please rate my answer.

Posted on Nov 17, 2009

  • 37 Answers

SOURCE: 1998 buick century cylinder 5 misfire

it sounds like you have low compression on cyl 5 might be bent valve.

Posted on Feb 06, 2010

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Related Questions:

1 Answer

Why car wont pick up speed when i get to 40mph then jerks and pick up speed


Does it down shift appropriately when accelerating? Normally when you stomp on the gas while in a high gear (travelling at 40mph), the transmission will downshift to a lower gear giving the car much more torque. This can cause the car to jolt or jerk forward and accelerate suddenly.



If this is way off base and you\'re experiencing something else, please let me know

Jul 25, 2014 | 2006 Buick Lucerne

1 Answer

1991 buick century problems


COULD BE MASS AIRFLOW SENSOR...WENT BAD ON MY BUICK AND NEVER SET THE CK ENGINE..AND IT WAS DOING WHAT YOURS IS

Nov 03, 2012 | 1991 Buick Century

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1991 Buick Century Limited 3.3L, 94,300 miles; stalls under load.


There should be a purple wire with white tracer from ignition module to computer. That wire carries rpm signal to computer, w/o that signal, the computer won't ground the fuel injectors. With the engine cranking, you look for a dc pulse on that wire. If you have a digital multimeter that has a tach--duty cycle or dwell setting, it should react to a dc pulse.
My info on your model year, isn't that great.

Apr 27, 2017 | 1991 Buick Century

1 Answer

I have a 1995 Buick Century 6 cyl. The transmission shifts smoothly and into 4th gear but when I get to about 55 mph it shifts back into 3rd gear by itself and won't go back into 4th gear. What is...


Fourth gear in your vehicle doesn't exist. What feels like a fourth gear is the torque converter locking up. The lockup lockup is controlled by a solenoid in the side pan of the transmission, and the solenoid is controlled by the ECM (electronic control module) in response to several pressure, temperature and speed sensors etc. To determine which component is the problem you'll need a professional transmission mechanic with the proper diagnostic equipment.

Jun 28, 2011 | 1995 Buick Century

1 Answer

My gears are P- park R- reverse D- drive (2 Drives one with a box or circle around it) what is each D for


  • D with no circle is just "Drive." this a lower geared drive and best used around time as it provides a better pick up and over all response.
  • OD is "Over Drive" and used for cruising speeds ove 50+ MPH down the highway. Over Drive allows the vehicle to cruise at a more sustained speed with less engine speed and provides better fuel consumption.
  • While you are in Drive going down the highway and your speed reaches 50 MPH just switch gears into Over Drive and you will notice your car "relax" a bit. Remember you don't want to switch from Over Drive to Drive until you get down to around 45MPH or it can be a little rough on your engine and transmission.

  • Hope this helps and thank you for using FixYa.
Regards, Tony

Jun 17, 2011 | Buick Regal Cars & Trucks

1 Answer

I have a 1999 jeep cherokee that has intermitant transmission problems 1)shifting up it wind out to 2k-3k before shifting 2) at higher speed it feels as if it slips out of overdrive rpm increase but speed...


It will shift out of overdrive upon increasing throttle , pulling hills and so on. Your overdrive probably kicks in around 35 to 45mph and kicks back out as you increase throttle. Electrically controled speed sensor to control the response. Overwise the engine would bog down to a stall. Over drive is just that. It changes the gearing ratio to over drive meaning less then final gear 4 to 1 down to 4 to 3 etc more direct drive ratio to lessen consumtion of fuel with less stress on engine. Have shift speed sensor adjusted. Don't drive in overdrive in city if most driving is under 45mph

Mar 09, 2010 | 1999 Jeep Cherokee

2 Answers

My 2002 trailblazer is making a noise when I go over 45 mph and appears to not be going in gear quickly at that speed


Check your transmission fluid level and/or have the fluid changed. If problem persist have a transmission professional at a dealership or transmission shop service it.

Sep 14, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

1991 Buick Century automatic doesn't shift gears


does it stay in low gear?Make sure there is vacuum to the modulator ,front of trans ,drivers side.

May 07, 2009 | 1991 Buick Century

1 Answer

Lose power when i punch it to passing


You could try fuel filter or just your basic tune up.

Dec 07, 2008 | 1993 GMC Sierra K1500

2 Answers

1995 buick century transmission trouble


Most likely causes is the OD shift solenoid or less likely the VSS

Oct 25, 2008 | 1995 Buick Century

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