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Century

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Question
Engine revs when I turn it on and doesn't go back down.
This may be a sign of a vacuum leak. High idle speed, stalling and hissing sounds are common signs of a vacuum leak. When a vacuum leak is present in an engine, this causes an excessive imbalance in the air/fuel...
Question
ok thx Tim, I unplug the fuse and run a wire from high
Hello, there is a blower motor resistor the reduces voltage over the circuit to lower or raise blower motor speed. The switch directs battery voltage to those resistors. Your blower motor resistor has failed. This part can be replaced. The...
Question
My car heater is not working. It sometimes blows hot if I stop quickly or turn to the right hard and you can hear the coolant flow
Hi there: It's quite possible that the heater core is clogged by debris; which could explain the inconsistent operation of your heating system. However, there are multiple individual components that comprise the heating system that could also be the source...
Question
wate/moisturer on passenger side floorboard .
Hi there: On the passenger side of your Buick, there are a few parts within the AC system such as the AC condenser and compressor that could be the source of your moisture or water on the floor board. If...
Question
Overheating.
It sounds like you may have a faulty coolant fan switch. The coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds. When this switch is not working properly, this can...
Question
Crankshaft sensor removal
Hello, thank you for writing in. The crankshaft position sensor is located on the front of the engine. The hardest part is locating the sensor and removing in within tight quarters. You will find the sensor next to the drive...
Question
Engine smoking from seals and overheating.
Hi there. Check the coolant level and see if its low. If it is low, then check the engine oil and see if the oil is black or like a milkshake. If the oil looks like a milkshake, then there...
Question
Ck engine soon light is on
If your vehicle's check engine light illuminates, there is a malfunction that should be investigated and repaired. However, the seriousness of the malfunction is hard to judge unless and until a Code Scanner is used by the Mechanic to download...
Question
Won't start after filling gas tank
The most common cause of hard or no start after getting fuel is due to a leaking purge valve leaking vapors into the engine when refueling. This will flood out the engine causing problem. Have the purge valve checked for...
Question
electrical ( headlights )
It is possible both bulbs are burned out. The low beam filament in each bulb should be tested with an ohmmeter. The bulbs can also be powered off the car to see if both filaments work but be wary of...
Question
What is draining my car battery?
Hello There, It sounds like you may have some potentially faulty wiring that may be causing a draw on your battery when sitting for long periods of time or potentially a faulty voltage regulator that is not properly regulating the...
Question
2003 buick century (3100 engine) is hard to start
I would recommend having your vacuum levels checked with a vacuum gauge. This can be done by removing the vacuum hose from the brake booster and inserting the hose of a vacuum gauge. This will tell you if the engines...
Question
Shaking while idling
Hi There, Shaking or vibration may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve may cause the engine idle to drop below...
Question
Fuel pump
Immediately upon turning the key to the "on" position (NOT start position), you should clearly hear the fuel pump in the fuel tank momentarily "whirrr" as the pump pressurizes the fuel system. If you don't hear the pump "whirrr" momentarily,...
Question
Car blowing cold air
The lack of heat being generated by your system may indicate a clogged heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this...
Question
My heater won't come on and replace blower & resistor too.
This may be related to a faulty blower motor or blower motor relay. Occasionally, the blower motor itself will wear out or become faulty working intermittently as the brush contacts inside the motor wear out. The blower motor relay supplies...
Question
Hi, how can I check to see if blower motor relay or a fuse My heater won't come on and replace blower
Hi there: It's more than likely that you have an electrical short that is causing the fuse to pop when you activate the heater. This could be caused by a frayed or exposed wire, or the electrical relay being damaged....
Question
I have a 2001 buick century it heater wasn't blowing hot, kept saying low coolant, would add half gal to gallon of antifreeze.
Hi there. When the heater doesn't work, it's commonly accompanied by an overheating problem. This could be caused by a broken heater core, a clogged heater core or perhaps as you've indicated, a broken head gasket. I would highly recommend...
Question
About the starter
This would depend on what the replacement procedure for the starter calls for. If the manufacturer recommends that the engine be lifted in order to remove the starter, it is very likely that this is required in order to remove...
Question
oil pressure switch
The "apparent" oil pressure switch malfunction is not a cause of the stalling or misfiring. That malfunction with the switch has to be diagnosed and confirmed because sometimes there is nothing wrong with the switch itself but rather there is...

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