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Transmission issues, slips from second to fourth gear
I would start by being concerned about these wires that are spliced in. If there is another circuit that is spliced in there then it can be causing this. If there was no issue previously then it may not be...
Small fluid leak in front after car is shut off and sits,temperature gauge rising.
You should have the cooling system pressure and leak checked to locate the leak in the cooling system and also check to see why your engine ran hotter than normal. This overheating inspection will locate the leak and then a...
Car gets hot sometimes. I unplugged the temperature sensor, turned on my air, and switched relays, and my radiator fans still don't work
Hey there. You should have the cooling fans checked to see if the cooling fans are getting power from the control system. The overheating diagnosis may show the system fan relays are not being turned on by the computer. Only...
Knocking from the motor
Hi. The usual cause of the loud knocking in these motors are one of two things (or both). The timing chain guides become loose or worn out and sometimes causes the engine to knock or tick when it is running....
Bought cheap crank shaft sensor, now a code is coming on.
Hi - regarding the crankshaft sensor - if the new one (cheap or otherwise) is not causing any misfire, it is just fine for now anyway. What code is "still coming up"? That is fairly important in the diagnostic process....
People say it's a hole in my muffler but I don't know.
Hello, thanks for writing in about your 2001 Buick Regal. While some mufflers are able to be repaired, it is often times not a very permanent fix depending on the condition of the muffler and where the hole is. For...
Do I need to replace the lower O2 sensor or upper O2 sensor?
As you may know there are two O2 sensors in your vehicle, one that measures exhaust gases prior to entering the catalytic converter and one that measures the gases as they exit the converter. The purpose of the lower sensor...
My car's battery light is on and it started to act funny while driving, what do you think is wrong?
These are all signs of a failing battery. You will need to have the battery tested. When the battery fails, the vehicle will attempt to run off of the alternator, which can cause it to stress and fail as well....
Loud rough ride coming from the front of car.
Hey there, thanks for writing in to YourMechanic. There are many things this may be, ranging from front differential problems to an out of balance tire to bad wheel bearings. For an issue like this I would recommend having a...
Car won't shift into 1st gear.
Hi and thanks for contacting YourMechanic. From what you've described, you'll need to check the adjustment of the cable. The cable may be too short, not letting the transmission engage 1st gear. If you need a diagnosis with your shifting...
Car spits out white smoke when started after sitting for a short time
I have seen this many times on this engine. When this occurs during startup it is because of failed valve stem seals. In some cases the piston rings may be leaking also, but you would get smoke all the time...
I have a stereo problem, got any suggestions for an upgrade?
Hello, there is a lot of after market options you can do to install an touch screen radio in your car. Multiple places sell self install kits where it includes the harness to plug and play your new radio. Sometimes...
Car will not start. Just clicks
Hey there. This may be related to the starter solenoid. This is a unit on the starter that directs power to the starter allowing it to engage the flywheel when you turn the key. When this is not working properly,...
Air conditioning light - 2001 Honda Civic
Hi there, check the A/C relay for being stuck in the "On" position. Relay contacts degrade over time and use, and can stick together when burned. The result would be the A/C light staying on, even though you press the...
There is an antifreeze leak on the passenger side that occurs when the vehicle is on for a long period of time
I would introduce UV leak detection dye into the system, pressurize the system while cold, and leave the system under pressure overnight (the pressure will slowly bleed off somewhat but such will not affect the test). If there is any...
Is there some trick to taking the coil pack off a spark plug?
Hey there. The coil pack is not connected directly to the spark plug. There should be a spark plug wire running from the coil pack to the spark plug with a small 'boot' on the end of the wire that...
Where is the theft system located
The theft system of your vehicle is usually located in the steering column. This is due to the fact that the ignition switch is in this location and one of the major functions of the security system is to disable...
Where are the theft system and its wires located?
The theft system is usually located in the steering column of your vehicle. This is due to the fact that the ignition switch is located there. This is one of the main components of the security system that prevents the...
What does it mean to have the O/D OFF light on
When the O/D off light is on this means the overdrive gear is turned off and the torque converter will not lock up. This setting will help if you are towing something behind the vehicle. When the light is off...
I have to manually open the throttle plate to start my truck. What causes the throttle plate to stay closed?
This suggests you may have a bad throttle control actuator. This is a module near the intake that operates the opening and closing of the throttle plate. This works in conjunction with the throttle position sensor which monitors your gas...

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