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Century

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Question
Noise & vibration from the passenger tail light or trunk area.
Hi there. Check the taillight or the trunk to see if its loose. A vibration will occur on the taillight or trunk when they are loose. This happens easily when there is an amp in the vehicle or when the...
Question
No spark?
Spark related problems generally will result from things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition modules not working properly. When an ignition coil becomes faulty, there is generally a bit of warning as they...
Question
After stopping front tires spin at low acceleration.
It is normal for the front wheels to spin in slick conditions. There are a few things that can contribute to this occurring more easily though. Tires with low tread would be the biggest contributor to such a problem. The...
Question
3100 v6 on 2003 buick century lacks power under acceleration, spits and sputters, hard to get up to speed
If your vehicle is hesitating upon acceleration, it is possible that you have a fuel issue. Some of the potential causes of this issue would include a faulty fuel pump, faulty fuel pressure regulator, or a clogged fuel filter. I...
Question
Car kills out within 30 secs or so after starting.
There are many things that can cause the motor to stall, but generally if the motor will run at all, this suggests that spark is not an issue and that it is most likely related to fuel delivery. Fuel delivery...
Question
Car tries to start when plugging up the battery
With an issue like this, you may have several issues. The ignition switch should not allow the connection to be made without the key being in the start position. This means you likely have a starter wire crossed or shorted...
Question
Getting a P0430 code on my Buick Century 3100.
Hi there. The code p0403 is for the EGR circuit that shows it has malfunctioned. The code p0430 is for the catalytic converter showing that its below threshold. Check the harness to the EGR and make sure that all of...
Question
Would you put new engine & other possible new parts? OR get a new used car?
If the rest of the vehicle is clean and in good condition then you may want to spend the money and have the vehicle repaired. 100K miles isn't the worst for mileage and after these repairs, you've fixed the couple...
Question
White smoke coming from the water pump out of radiator hose outlet
Hi there. Assuming, proper procedure was followed replacing the head gaskets. The original cause for overheating must of been overlooked. The thermostat stuck closed, the radiator restricted, the radiator cooling fan(s) inoperative. The cylinder head and/or cylinder head gasket issue...
Question
About to purchase a 1985 Buick with 300k miles. Has a new paint job and a new radiator already. Heat from engine when opened hood
Hello. Especially with the indicated mileage, I would be concerned about excessive heat, and low fluids - both oil and coolant. Also, sounds like radiator hoses are way too old. The new radiator is also a clue that the car...
Question
My car is not cranking - 2002 Buick Century
This may be related to many different possibilities, some of which may be related to a lack of spark and some of which may be related to a fuel delivery problem or a combination of both. For example, if the...
Question
Will leaking fuel from fuel pressure regulator wet spark plugs and have car not starting?
Hello, yes, a leaking fuel pressure regulator will cause no and hard start, and fuel flooding condition (wet spark plugs). The regulator uses intake manifold to sense the load of the engine, if the regulator leaks internally it adds...
Question
Car will not crank
This may be a faulty starter that is going bad or potentially a failing starter solenoid. The starter solenoid is located on the starter and has internal electrical contacts that transmit electricity to the starter. When this fails, it may...
Question
My car is showing two trouble codes: P1639 and PO452
Hello. The diagnostic codes you are receiving may be a result of both sensors failing, or a power supply issue. The code P1639 stands for an A/C refrigerant pressure sensor voltage shortage. The second code P0452 stands for the fuel...
Question
Why do my power windows not work? 2005 Buick Century
Hello. There are several things that can cause this. It can be caused by a bad ground connection or an issue with the circuit breaker that supplies power to this circuit. You would need to used a voltage meter to...
Question
I have a 2000 Buick Century and the gas gauge goes up and down
You're guess of the fuel sending unit is a good one. The sending unit is a variable resistor, that changes its internal resistance according to fuel level. This information is then sent as an input to the powertrain control module...
Question
What is the problem when I'm driving in a parking lot and my 98 Buick Century limited is stopping on breaks if on the gas ?
Hello. Thank you for writing in. When the vehicle struggles to accelerate or keep at a steady pace in a parking lot, are you turning at the time? If this is the case, the vehicle is struggling to assist you...
Question
Hello , one of windshield wiper works and the other don't , do you have an idea of what the issue may be?
Hello. Thank you for writing in. The wipers are independently motored, and powered through the same switch. The power supply to the motor is either not making to that side, or the motor has failed. You should be able to...
Question
Rear right wheel locks after driving 3-4 feet.
Hi there. From the description you have provided, leads me to believe the emergency/parking brake may be partially applied. This would account for being able to move in reverse and only a few feet forward. It could be, the parking...
Question
Power steering
Hello, the whining noise the old pump had is aeration usually from low fluid level that will damage the pump, that means there is a leak of fluid. This system is a closed type system no leaks allowed. First check...

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