Popular questions

Hello, thank you for writing in. If the coolant is full this time, and no loss of coolant has taken place, then you are likely experiencing a lack of coolant flow. When the coolant is not circulated through the system,...

If the battery is brand new and fully charged and the car turns over but will not start the battery is not the problem. The electrical aspect of the starting system is doing its job. Engines require fuel compression and...

The fuel range calculator in your car's computer works based upon your most recent driving conditions. The throttle position sensor constantly calculates your fuel range based upon your driving behaviors. You will notice, if you are driving more aggressively or...

Sometimes when brakes are replaced, a piece of the sheet metal shims can be bent, leading to clicking or even screeching sounds. Or your noise may not be related to the brakes at all. If you hear the noise when...

Hi there. Since the check engine light is coming on I would have to scan the computer for codes to see what is happening. It sounds like you may have an intermittent issue. Most of the time this is caused...

Hi there. Your vehicle's fuel pump needs to prime/whine when the ignition is turned into the on position. If you do not hear this humming noise it can mean you have a faulty fuel relay or fuel pump itself. Another...

If the alternator is "new", and thus presumably good, the vehicle engine is running, the alternator drive belt is appropriately tightened, and yet you are not getting around 14.5 volts of charging current at the battery posts, that means there...

Hello. Thanks for writing in about your 2008 BMW 750i. If the transmission light is on, there's a 98% guarantee that the transmission has developed a flaw. I suggest that you attempt to have the trouble code retrieved by a...

When you open the throttle the IAC will go toward the closed position and when you let off of the throttle it will open to pass air flow so the engine will not stall and then will slowly start to...

Hi there. Check the timing between the camshaft and the crankshaft and make sure that they are in time properly. It is possible that the timing could be off when the timing belt was changed. The number 1 piston should...

Generally, the check engine light comes on when something fairly serious is going on with the vehicle. This can happen for many different reasons such as a faulty mass air flow sensor, a faulty O2 sensor, a bad catalytic converter,...

I would first recommend checking your brake fuse and light bulbs. If you don't feel comfortable doing this, or have issues, YourMechanic can send a mechanic out to your vehicle's location to inspect your brake light issue, and make the...

The issue is that the fuel pump is starting to wear out and not turn on when either the fuel pump relay is hot or the fuel pump is shorting out internally. Check the fuel pump relay when the engine...

The remote control for your car is much more than just a convenient way to lock or unlock the doors from afar. It also offers enhanced personal safety through the Panic button. Pressing the Panic button automatically sets off the...

Hi there. Most of the time this is cause by a failing brake switch. The switch fails and makes the computer think that you are applying the brakes, which automatically turns the cruise off. This should be checked first. If...

For all of the electrical issues with your vehicle either there is a loose ground wire from the chassis to the frame or the ECM (computer) has malfunctioned and needs flashed or replaced. I recommend seeking out a professional, such...

This may be a sign of a weak battery, a failing voltage regulator or failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while...

If the last inspection of the system was two years ago, it is possible for a leak to have developed since then. The only way to rule out a leak is to sweep the system with an electronic leak detector....

The volume of oil you are using may actually be an acceptable amount in the eyes of the manufacturer. To find out the exact amount of oil your car is using, you would have to go through a oil consumption...

It sounds like replacing the fuse fixed your issue for now. Fuses do not have a direction they have to be installed. The fuse does not have to be switched around. Let us know if you continue to have issues...

Your "lack of power, or ability to build up speed" symptoms sound like a fuel supply problem - perhaps a clogged fuel filter, or a failing fuel pump. Have a professional mechanic, like YourMechanic, check for fuel pressure to diagnosis...

I recently had the wiper arm nut come loose on my Ford truck - in the middle of a blizzard! Needless to say, that was not the way I wanted to spend Thanksgiving. Anyhow, you can loosen the nut to...

Don't leave it in there! the oil will deteriorate your rubber hoses and maybe the water pump seal. What you need is a good cooling system flush. It involves taking out the thermostat and running a flush solvent through the...

The model of vehicle is missing on this one. The most likely cause is the pump shaft seal or the reservoir to tank seal. Otherwise, the lines could be leaking. I recommend having a qualified mechanic inspect your vehicle, locate...