Popular questions

Hello and thank you for contacting Your Mechanic. It sounds like the battery is failing in your vehicle. The battery can be drained of power, but also the battery can be over charged. If the battery was to have an...

Hello, thank you for writing in. With the symptoms you are having, and the repairs you have already tried, it is looking like you have a failed starter. You will likely need to have it replaced. You can remove the...

The code P0442 is for a very small leak in the evaporative system of the fuel tank and its vent system. A leak in the gas cap is the most common cause of this code and the gas cap or...

Over time the rubber parts in the braking system will start to leak due to age. If the brake line is leaking then it needs to be replaced. Keep in mind that brake lines should be replaced in pairs. You...

Hello- the warning light you mention is a " low coolant" indicator. Once the engine is cool - check your coolant reservoir and/or cooling system for proper fluid level. Since you seem to have lost fluid, I would recommend an...

This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...

This sounds like the transmission is slipping. I recommend having a transmission mechanic diagnose the slipping by checking transmission pressures, checking for trouble codes, or checking for any solenoids that are not letting it shift.

As you may know, cold weather is extremely tough on batteries. Depending on the strength of the charge, you may not have charged the battery sufficient to a point for it to hold a charge. Generally, for a battery to...

There can be some gains in comfort by changing the tires to, for example, top rated tires as tested by Consumer Reports. The best thing to do is review Consumer Reports' tire ratings and recommendations for the particular tire type...

Thanks for writing in about your 1994 Buick Roadmaster. There are many things that can cause a no start condition. You may want to have this thoroughly looked at in person by a professional before moving forward with any other...

Hi there. It sounds like the "panic" function of the key fob is stuck. Remove the key battery and inspect the function of the panic button. If it is not operating correctly, then replace the key fob case if available...

There are a couple of possibilities. Jeep has a TSB out concerning a faulty front control module, but this will also generally be accompanied by the windshield wipers not working as well when the no start occurs. It only affects...

Normal engine operating temperature is up to 225 degrees. As long as you are not over that value, the engine is not overheating. Intermittent cabin heat means there is an obstruction in the coolant flow and that obstruction can be...

Hi Cynthia. Thanks for contacting us today. It's quite possible that your alternator or other battery charging system component may be the root issue of this problem. If your car has no power, the battery was likely drained and unable...

Hi there. Depending on the sound of the knocking noise and where the noise is coming from on the engine will determine if the engine needs replaced or not. If the noise is near the top of the engine, then...

This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed...

The first thing you want to do if you feel it jerking like that is quickly jack up the wheel and pull off the tires and see if they are sticking. If they are sticking, a lot of times, the...

In most situations, I can't think of a situation where missing wheel studs will prevent you from engaging the four wheel drive system. If a piece of a broken wheel stud falls behind the flange, it can cause the wheel...

Hi there. Why were the brake switch and combination switch replaced? If this began after replacing these parts, then one or both of these parts may be incorrect, faulty, or incorrectly installed. Try unplugging one of the components and see...

You may have a problem with the transmission's lower gears. There may be a shifting issue causing it to slip in lower gears. Problems like these can be hard to pinpoint if not seen in person. Have a certified mechanic,...

Even small fires can cause a lot of damage, but the engine bay is designed to deal with high temperatures. Have an experienced mechanic, such as one from YourMechanic, come out for an inspection of all of the underhood components....

Hi there. The code P0420 could have an issue with the following: Having a damaged or failed oxygen sensor The engine coolant temperature sensor is malfunctioning Damaged or leaking exhaust manifold or leaking muffler / catalytic converter The spark...

Hello. This engine typically overheats from a failing thermostat or possibly a more serious issue. I would typically start by checking the coolant level and running the engine until it gets hot. I would then make sure that the fan...

It is very possible it could be a clutch/ transmission/driveline issue. Locating the source of the vibration, and ensuring it is not an engine peripheral is key. The fact that the clutch is not acting as designed almost makes it...