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LeSabre

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Question
How to replace crank sensor on 95 lesabre
In order to replace the crankshaft sensor on the 3.8 L Buick LeSabre you will need to remove the crankshaft damper using a puller and the sensor is mounted behind the damper. Once the sensor is replaced the damper must...
Question
Check engine light comes on and engine stalls but starts right back up. Upon restart the check engine light is off with no problems.
Hi there. It seems that there could be a loose wire or loose ground to the transmission sensors. First you will need to get a scanner and scan for any codes that are pending or stored in the ECM (computer)....
Question
Hey I have a 2000 Buck Lesabre and I'm having some fuel issues I think
Fuel is a possibility but so is air induction particularly the idle air control (IAC) valve. The IAC valve may be sticking which would explain the first symptom you report which is everything was great until you simply put it...
Question
My transmission will not downshift at a stop, upshift from a stop, or go in reverse.
Hi there. Most transmissions have shifting issues with the fluid being dirty. First replace the transmission oil filter and do a transmission oil flush. If the fluid is black, do not attempt to change the fluid as it will make...
Question
My engine oil and temp gage came on and my car shut off and won't start
Hello, Many cars have a safety shutoff function in the computer that will shut the engine off when the computer detects dangerously low engine oil levels which may have happened in your case. This may also explain the engine temperature...
Question
TWO YEARS. NO HEAT!! And it's cold in Detroit!
Hi There, It sounds like you may have a heater core that may have a layer of corrosion caked on the outer linings of the heater core creating an insulating effect on the warm coolant flowing through the heater core....
Question
Battery dies overnight
You state the battery does not have a parasitic drain on it but battery is dead in a few hours tells me the battery cannot hold a charge. Have the battery load tested to see if it is able to...
Question
right rear wheel making dragging noise after hitting curb
Hi there. If you're hearing a dragging noise from the wheel that hit the curb, it's more than likely that you've either bent or damaged the wheel itself, a hub cap (if your car has one), or possibly suspension...
Question
More Horse power and performance chips
Hi Tim (great name). To be completely honest, with more than 200,000 miles on your Buick, you're risking serious mechanical failure by making any performance upgrades to your engine; without completely rebuilding it. As a motor ages, so do the...
Question
Engine idle fluctuates
This may be a result of a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
Misfires, sometimes no start
A misfire and intermittent no start on this vehicle can be one or more possible problems and may even be two different problems. The misfire may be the plug wires, plugs, ignition coil or ignition module. Intermittent no start may...
Question
elecrtic window module keeps going out
Hello. Thank you for writing in. One of the issues you may be having is that you are using old switches. The power windows on these vehicles have a history of failing, and the used modules or switches you are...
Question
About my car?
Hi there: When a car starts and then stalls, it's possible that the mass air flow sensor, fuel pump or fuel filter is faulty, dirty or broken. It's also common for the throttle body to become clogged with carbon build-up;...
Question
TPS failure
In order to find out the cause of the many failures you will need to verify the voltage to the sensor is no more than 5 volts reference. If the sensor return wire is getting shorted between the tps connector...
Question
Why does my 2003 Buick LaSabre stall when I put it in gear.
Hi there. The symptoms lead to a dirty or failing Idle Air Control valve (IAC). The IAC regulates airflow when the throttle plate is closed and if it was to be clogged up, you will have to step on the...
Question
engine overcooling; engine fan always on!
Hi Alex....yes, that sensor could be a possibility but there are other components in the circuit as well such as relays (that can stick on) and, although not as likely, there are possible wiring faults that can cause continuous power...
Question
Can disconnecting your car horn cause your car battery to drain over night?
A horn being disconnected will not cause the battery to get drained. The battery being drained or low on charge after sitting should first charge and test the battery then check to see if the vehicle has a draw on...
Question
Tail lights are all not working. Car doesn't have a relay switch. All fuses are working.
Hi there. Without being there to physically inspect your Buick, it's hard to give you an accurate diagnosis of why the tail lights are not working. There is an electrical relay within the headlight switch that sends a signal to...
Question
The car while driving just dies on me and now can't get it to start again, and the OBll code is p0452 ( evaporative emission contr
Hi there. Is there fuel in the tank? Is the fuel gauge accurate? It sounds like you're either out of gas or the fuel pump may have failed. The stored code that you have will not generally cause the vehicle...
Question
Car will not start
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. Things like ignition coils,...

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