Popular questions

In order for an engine to continue running, it must have three things. These things are compression, fuel, and ignition. If one of those three things goes away, the engine will no longer run. I would recommend checking your...

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...

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,...

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...

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...

Sway bars are responsible for keeping the vehicle level during cornering. If the vehicle did not have a sway bar, it would rock to whichever side is opposite of the direction you are turning. The sway bar provides stability for...

You may have an alternator issue. If your engine starts and dies shortly afterwards, that is a symptom of a bad alternator. If the alternator has failed, the vehicle will then run all of its electronics off of the battery....

Hello. There are many components involved in the air conditioning system, and many possible points of failure. If no air is coming from the vent, you can consider the interior fan and its circuits. Cool or warm air when the...

Hi there. It really depends on what the noise sounds like that would determine what is causing the noise. Over time, the sound insulation from doors will wear out and noises will become louder. However, if you're hearing a grinding...

The turn signal indicators are located on your instrument panel. When one of the turn signal indicators is flashing, it means the corresponding turn signal is currently on. If both turn signals are flashing simultaneously, it means that your hazard...

This may suggest failing synchros. As you may know, when a clutch drags, it is not letting go of the disk fully which overloads the synchros and burns up the friction surfaces quickly. Synchros work by speeding up or slowing...

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 and thank you for contacting YourMechanic. If the engine light is on for code P0105, then the computer has lost communication from the MAP (Manifold Absolute Pressure) sensor. Check the harness to the sensor for any corrosion and look...

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...

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...

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...

The most common squealing noise coming from the engine would be a drive belt or pulley. This only happens with the engine running and can happen in several ways. A worn or loose belt can squeak when it slips. An...

Hi there - the rough running you describe could be anything from bad gas (water content), failing ignition components, or a fuel system problem (low fuel pressure, clogged or leaking injectors,etc.). The first task is to extract problem codes from...

When the oil light comes on, this usually means the engine is low on oil. This may also mean other things such as too high or low of oil pressure as well. I would recommend having an expert from YourMechanic...

The most common reason for a vibration while driving is a tire issue. The tires may be out of balance, or just worn to the point that they will cause this. Typically, the brakes won't cause this, unless it happens...

The lifespan of a headlight bulb in a vehicle is not possible to predict with much accuracy. There are just too many variables affecting how long your bulbs will last. These factors include: Wattage rating of the lights....

Hi Alizra. Thanks for contacting us today. The codes you've listed are Toyota specific OBD-II trouble codes. You can look them up on this website by clicking this link. The codes will tell you the possible sources, so you can...