Popular questions

Hi, no pressure on your brake pedal usually means one of two things. If you have had any work done on your brakes, it is possible that there is some air in your hydraulic lines. The air simply has to...

Hello, thanks for writing in about your Cadillac DTS. I would suggest checking the sway bar end links, strut bearings, and bushings. When these are worn they can cause a clunking sound. If you decide to get this fixed, I...

Hi there. When it comes to buying brake pads, to be completely honest, almost every aftermarket part made today will be fine for your application. In regards to personal preference, I'm a fan of OEM brake pads and rotors -...

When you disconnect the battery, the PCM (powertrain control module) looses it's stored information about your driving habits. Believe it or not, the car learns how you drive, and tries to adapt to your style, so things may not go...

Hello and thanks for the question. Your oil light staying on even after the car has started is something that requires immediate attention. I would recommend having it checked asap. The good news here is that it doesn't always mean...

Hello - the lack of acceleration or speed over 20kpm is classic behavior for a failed throttle position sensor. I would find out specifically what codes are now being set before spending any more money on parts or repair. Most...

Hi. This problem is most likely caused by a faulty coolant temperature sensor, which is sending a signal to engine management that it is colder than it actually is. This causes engine management to inject more fuel than is needed...

You will need to advise of the tire sizes you are using, since if you have oversize tires then your speedometer is not accurate and you may be doing faster speeds than what is on the speedometer and your engine...

Hi Eliana. Thanks for contacting us today. If you're 100% certain that the ignition cylinder is broken and needs to be replaced, it's best to have a professional mechanic complete this process. While removing the ignition cylinder is not that...

A bad wheel bearing is a safety concern. I suggest you have your vehicle repaired immediately by a qualified technician. YourMechanic offers certified mechanics who will come right to your location, so you don't have to risk driving your vehicle....

The refrigerant inside the compressor has nothing to do with the compressor pulley turning freely when the compressor is not engaged. If the pulley is not turning free then the bearing inside the pulley will need to be replaced. If...

The CVT transmission on the vehicle may go into what is called 'transmission safe mode' if it is overheating. The safe mode will cause low engine power, and limited shifting of the CVT system. This could be caused by incorrect...

There are two catalytic converters on the Expedition, one for each "bank" of the engine. Converter 1, corresponding to Bank No. 1 of the engine (passenger side of vehicle) has quite a bit of pipe integral with the converter and...

Hello there. Thanks for writing in about your 98 Jaguar Varden Plas. This type of fault is called a parasitic drain. When the turn signals will not operate properly and the vehicle has a drain, there may be a larger...

It would be helpful to know the year, make, and model of the vehicle but the problem does sound like it could be a starter or a loose connection to the starter. If you want to have this looked at,...

I can think of two possible causes of this issue. One could be that the security system on your vehicle uses a separate siren from that of the horn and this siren has gone bad. The second possible cause of...

Hi and thanks for contacting YourMechanic. Check the throttle position sensor (TPS) for voltage and resistance. There should be a 5 volt reference voltage to the sensor with a ground. There should be a resistance on the sensor. If there...

Make sure you have good battery cables and battery terminals as well. Check for any fine cracks on the terminals, which can lead to a loose connection. A faulted sensor like a coolant sensor or air temperature sensor can offer...

Hello. With the amount of information, there are a limited number of suggestions. These include loss of ignition with higher spark loads (weak coils or ignition module), inadequate fuel supply -quantity and pressure (weak fuel pump, clogged fuel filter or...

Hi there. These engines are known for having isolated rod bearing failures. In fact, there was a recall on 2011 and 2012 models for this issue. Rod bearings are used to hold and support the connecting rod to the crankshaft...