Popular questions

Hi there: In most cases, the O2 sensors don't impact the transmission's efficiency. However, it can cause acceleration and deceleration issues which can be confused or misdiagnosed as a transmission problem. If the check transmission light came on; you should...

Hello. The most common cause of the air conditioning coming out hot is the blend door inside the dash, or low refrigerant levels from a leak in the air conditioning system. A qualified mechanic,like one from YourMechanic will be able...

Hello, thanks for writing in about your 2003 Dodge. This is a good question. From what you've described, your car either has a clogged heater core or is low on coolant. I have had this issue before and once I...

The ABS pump is fed power directly from a fusible link and not the 10A brake fuse. If the pump is running non-stop, this is an indication of a faulty brake pressure modulator valve unit that will need to be...

Hi There, What you are describing sounds like possibly low transmission fluid or a bad speed sensor or potentially a faulty transmission control module, which also controls the speed sensors. The transmission control module has various sensors such as vehicle...

Hi there - thanks for providing a sound sample! Noises are probably the hardest thing to diagnose, even when you can capture a recording like this. I suspect either the brake pad wear warning tab, or the driveshaft center bearing...

There are several possible reasons for a vehicle to crank and not start. A bad fuel pump, clogged fuel filter, faulty injectors, bad ecu, failed ignition coil, or a malfunctioning sensor. It will first be necessary to figure out if...

If it's running rich, it can easily flood the engine out and cause it to burn oil. So I would work on that first. But that said, realize that the only thing you are testing the engine compression is the...

What you are describing is a sign of warped brake rotors. When you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers to push the brake pads against the brake rotors...

When cooling systems are re-filled (after thermostat replacement for example) air can get trapped and that trapped air can prevent normal circulation of coolant. That, and low coolant level, would be the first things to check. If no problem is...

Hi, there are a few things that could be happening. The compressor for the A/C system may not be working properly due to the electronic clutch not engaging fully or the compressor not producing enough pressure for the system to...

Hi There, What you are describing is a sign of warped brake rotors. As you may know, when you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers to push the...

Hi, this could be a number of different things. I will give you a couple reasons. It could be the window regulator stopped functioning or the electrical system could have stopped working in the window motor. The fuse and wiring...

Hello. Most vehicles require an oil change at least every 5,000 miles. This is a good rule of thumb. If your engine has a knock now, then it either had an issue with the oil getting low or being too...

Hi, thanks for writing in about your BMW 750i. Water alone is not meant to handle the cooling of the engine. If only water is used in the cooling system, the water will boil off and become nothing because the...

I would need more information in order to give you a precise answer. It is impossible to determine what is wrong with your vehicle with just this description, but there are a few possibilities that I'll list. The starting issue...

The exhaust system on your Versa is very prone to corrosion and failure at the weld joints and internal muffler components. Nissan warranty coverage is basic and no recalls or technical service bulletins cover this problem. There are other owners...

Hello there, thanks for writing in about your 2004 Chevrolet Aveo5. While a revving engine is not a normal operation, there are a few common causes for this type of fault. The most common are a vacuum leak, oxygen sensor,...

Hi Khalia. Thanks for contacting us tonight. This is a service that our mobile mechanics in your area might be able to complete for you. To request an estimate and to schedule an appointment, simply click this link and enter...

Hello - the required maintenance depends on which problem code is setting off the Check Engine light, and what the other symptoms are. A throttle position sensor failure will cause different behavior (and set different codes) than will a dirty...

Hello. Most likely your radio has an internal problem that can only be fixed by replacing the radio entirely. There could be a problem with the wiring going to your radio, but this is rare and would probably cause the...

If your airbag light is on then there is a problem in the system and the airbag is deactivated. This means it will not work in the event of an accident. Any GM dealer can diagnose the problem for you....

Hi there. Typically this is a failure in the ignition control circuit. Most of the time it is a wiring failure going to the ignition coils such as a bad ground connection. It can also be caused by a failure...

Hi there. For the speedometer to be malfunctioning, either the vehicle speed sensor (VSS) could be loosing signal or the gauge has a bad resister. Now, as far as the transmission slipping, check the transmission fluid level. If the fluid...

Hello. I would need to know the exact codes to be able to give good information about this. If you have a reoccurring misfire code, then a compression test needs to be done to see if there is an internal...