Category Archives: Buick

Buick auto repair questions and answers from Dealership mechanics. Read through our growing list of problems solved.


Buick Gauges and FOB not working

i have a supercharged 1997 Buick Riviera the key fob and all the gauges stopped working at the same time could the two be related if so how do i fix it? Answer: Yes, these problems could all be related, especially if they happened at the same time on your Buick. The first thing to do is check all the fuses. There are several fuse…

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1989 Buick regal 3.1 won’t start when engine warms up

1989 Buick Regal with the 3.1L V6 engine. Car runs fine for 10 minutes. If you shut it off it won’t restart but it will turn over. It has spark to all six spark plugs it has gas pressure of 45psi. Changed the ECM and ignition control module (ICM). If I wait for the engine to cool off it will start again. Idle position sensor…

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Buick Engine Idling Very High After Jump Start

I have a 1995 Buick Century special (sedan). the newer v6, 3.1. I just replaced the whole wiring engine harness due to a small electrical fire from some stupid people that tried to jump another car in the dark and the red positive jumper wire touched the air cleaner cover and started a fire and did not bother to disconnect the negative jumper wire and…

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2004 Buick Regal ABS, TRAC OFF And Engine Light

I have a 2004 Buick Regal LS with 194k. I haven’t had any major issues with it, but tonight I was driving and, randomly, the car started kind of bucking and jolting forward upon accelerating. I was almost to my location so, when I got there, I turned it off for about 10 minutes. It started up fine, but I noticed the ”trac off” light…

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Buick Tie Rods- Upper Brake Light Bulbs

I have a 2002 Buick Regal LS. I recently got new tires because they were worn out and found out my car also needs new tie rods. I have been looking around online and still am not sure exactly what these steering parts are and what exactly to buy. I have a private mechanic shop fixing it for me so all i need to do…

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2003 Buick Century Belt Noise After Replacement

Last week I had the serpentine belt replaced in my 2003 Century, V-6 3.1, and soon after that it started to squeal loudly when car is started. The squealing stopped shortly after running. My instincts told me that the belt was not tight enough but the people who installed it checked it out and said it was ok. Do you think I need to replace…

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Buick Winshield Washer Pump Motor Not Working

2000 Regal LS. Windshield washer system is not working. The washer pump won’t function. The motor won’t run when installed. I have 12 volts at the washer motor electrical connector when the “on” switch is activated. The washer motor works when hooked directly to a 12vdc power source. The motor draws 1 amp when running continuously. I even tried another new motor. The washer motor…

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2006 Buick Rainier Won’t Shift And Speedometer Not Working

I have a 2006 Buick Rainier. Last night everything was fine. This morning when we were on our way to the store it would not shift and the speedometer stopped working working. What can i check to repair this problem. These 2 items would be related to one thing- the vehicle speed sensor(VSS). The VSS sends speed signal to the powertrain computer for speedometer operation,…

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1999 Buick Park Avenue Stalls In Park and Turning

I have a 1999 Buick Park Avenue that stalls while decelerating and the gauges go crazy also sitting in park stalls and when turning corners. Seems like you might have a wiring problem that is acting up when the engine/drivetrain moves. An engine harness could be rubbing somewhere and making contact on decel or turns. Can you tell me if the check engine light comes…

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Buick Lesabre Blower Motor Only Has High And Low Speeds

2000 Buick Lesabre. My blower has only been working on low and high for a while, nothing in between, and i do not have power to the resistor on any settings except low and high, but now my blower does not work at all and the cruise light is on, sometimes if I’m playing with the control head changing speeds the cruise light will flicker.…

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Buick Lesabre Overheating And Hesitates

1997 Buick Lesabre Limited. I have had TONS of things replaced on this car, (approx $14,000.oo including purchase price and deer hit repair which is about $7,000 of that). Car has aprox 206K runs awesome, drives like new, everything functions. (or at least when i bought it they did). The climate control display (digital) panel has been going out, and now is always black. This…

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1996 Buick Riviera 3.8L Hesitation and Engine Light

I have a 1996 Buick Riviera Supercharged/3.8L V6. Engine hesitates around 1800 RPM’S & then accelerates fine. I have replaced the following: Fuel Pressure Regulator, air filter, air intake sensor, PCV valve, spark plugs and wires, MAP sensor, idle control sensor,  Mass airflow sensor and the purge control valve. I have a Check engine light on with code PO102. The light goes off at times &…

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Location Of 2000 Buick Century Emission Control Valve

I cant find the  emission control, the picture is too blurry to see it. Can you help? I have a 2000 Buick century 2000. And p0440 and p0442 says i have a leak also. ProTech What emission control component are you looking for? There are many on each vehicle.The codes you have are both for the EVAP system, which controls vehicle emissions. The P0440 is…

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2003 Buick Lesabre Misfire and Engine Light

I have a 2003 Buick Lesabre 3.8L, I am getting a code P0300 and P0302 code from Autozone. I have changed out the spark plugs and wires and the 3 coil packs. The car is running a little rough but not dying. It is still getting the same codes? Someone suggested checking the #2 injector, so i did it with a screw driver while running, and…

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