Popular questions

The circuit for the power steering system is protected by a fuse located in the underhood fuse box. The fuse is high capacity, maybe as much as 60 amps. If the fuse has blown, there might be a problem in...

Looks like your Toyota 4Runner is actually experiencing two different issues. Let us first start with the noise the 4Runner makes upon startup, that noise that goes away once you start driving. From my experience with working on Toyotas, and...

The cooling fan clutch failure is a common problem with the B5 chassis A4 and VW Passat. When replacing the fan clutch, inspect the fan blade for any cracks as well. If any area of the blade looks suspect, replace...

This may be due to a faulty heater blower motor or potentially a bad heater core. As you may know, the heater core is a small radiator like unit that circulates the hot coolant from the engine through the heater...

Hi there. Let's begin with the "N" position for the gear selector. That is neutral, or no direction meaning that the car does not move on its own power in that gear; only if you and possibly help from friends...

You should monitor your oil level more often. Your engine may need oil added to it between oil changes. If you have to add 1 quart of oil every 1000 miles it is considered normal. If you have to put...

Hey, thanks for writing in to YourMechanic. The parking mechanism inside the transmission is designed to hold the vehicle from moving when you park it and is not designed to stop the vehicle at all. You most likely bent or...

The fee charged, $400, does suggests a "significant" repair which obviously you hoped would cover everything and would result in the light staying off. To answer your question as to the appropriateness of "new" diagnostic or repair charges, I would...

Hi there. The computer looks at three sensors and compares them when you start the vehicle. It looks at the intake air, ambient air and engine coolant sensors to see if they read the same when you first start the...

What you are describing is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...

Adjusting the sound of your radio lets you get the perfect mix of bass, treble, fade and balance for your needs. Here’s how to adjust the sound in your car: Push the Sound button to cycle through your options....

Hi There, This may be related to many different possibilities, some of which may be related to a lack of spark or possibly timing issues and some of which may be related to a fuel delivery problem or a combination...

While your speed control system lets you set a speed and then have the car’s computer maintain it, you might find that you need to adjust that at some point. You can speed up or slow down (or cancel the...

The coolant control valve on your Toyota Prius controls the flow of coolant in and out of the coolant storage tank. By diverting coolant into the storage tank, it can keep the coolant heated in order to keep the engine...

Hello. A cold blowing heater can absolutely be caused by low coolant. You are on the right track. However, if that coolant is not being circulated through the heater core, the warm coolant will not cycle into the core, and...

Check the light switch, the horn switch, and wiper switch. If the switches are not working, then they will need to be replaced. If the switches are good, then there is a loose or broken ground wire on the steering...

Your car needs gas for the engine to operate. You’ll need to fill the gas tank periodically, and knowing how to open the tank is important. Your car’s tank is protected by a locking fuel door. This prevents thieves from...

The security alarm in your vehicle automatically sets anytime you use the remote keyless entry (RKE) transmitter to lock the doors, or anytime you use the power door switches to lock the doors. When the doors have been locked with...

Hello there, many faults will cause the transmission in your 1990 C2500 to lose forward and reverse gears. The most common causes of transmission issues are low oil level, fluid leaks, shifter linkage faults, or shift solenoids. You stated the...

The halogen headlights only require that they are plugged into the the proper socket to work. LED or xenon headlights would not work as they would require heavily modifying the lighting system. LED lights draw much less power than...

Hi there - there are a couple of possibilities. The simplest and most likely possible case, based on the recent thermostat replacement, is that the cooling system was not properly bled of air pockets, and is boiling coolant inside the...

It sounds like you may have two different problems. The first is key sticks in start position can be a defective ignition switch internal spring or the key lock linkage is binding. You may need to remove electrical ignition switch...

Hello, from what you describe it would appear to me that you may be having an issue with your vehicle's transponder and key. The green key light that is flashing is actually not related to AC at all, it is...

There is a ground or broken wire issue in your vehicle causing the engine to not start. Check the harness to the solenoid and see if there is a loose wire or a broken wire. If the wiring is good,...

Hi and thanks for your question. On the Impala's the speed sensors on the hubs to the vehicles wheels are in the same circuit with the turn signals. This tells the computer that the vehicle is turning with the steering...