Popular questions

You're right, this could be a gas cap problem. But it could also be any number of other problems. The check engine light comes on whenever the computer detects a fault in the car's emissions systems and the computer stores...

Hi - on your vehicle, the body control module is located up under the dash, to the left of the brake pedal. Unfortunately, this is not a service YourMechanic can offer at this time. Thanks for thinking of us!

Hi there: The problem with trying to diagnose a ticking issue remotely is the fact that it could be multiple; yet completely different mechanical systems that are causing this issue; ranging from the timing chain being loose, to fuel system...

Hi Jeffery. We answered this question earlier, but in case you didn't get it, here is what we had to say. The P-0746 OBD-II trouble code is one of the more confusing and hard to diagnose codes. P0746 will occur...

Hello. Most of the time this is caused by a failure in the key sensor located inside of the key lock cylinder. Either the sensor itself fails or the wiring from the sensor located in the steering column fails. Most...

If your truck has a rack and pinion power steering setup, the rack and pinion gears may be binding internally. If your truck has a gearbox setup, the power steering gearbox gears may be binding internally. I would recommend...

On the Honda Civics the passenger side motor mounts are known to fail and can cause the issues of vibration that you are experiencing. These mounts are fluid filled, and often when they fail, you will notice a small amount...

Without body damage, it is most likely a coincidence that it is stuck in manual mode. Regardless of how it came to quit working, it should be diagnosed just as any other failure would be. I would begin with...

The hardware and software of the computer (powertrain control module) and transmission control module (TCM) in the Expedition will only work with your present 4.6 L engine. If you change the stock engine to one that is not a catalog...

Hello. If the scanner indicated the O2 sensor was bad, I would recommend replacing. The oxygen sensors are located in the exhaust system of the engine, and they sense the oxygen content of the exhaust gases. There should be two...

A higher than normal idle can be due to a stuck open idle control valve or a vacuum leak in the intake when the engine is cold. You may have a bad cold start injector system. I would recommend having...

Hello. There are multiple possibilities here. There could be a vacuum leak to the engine (which affects timing, mixture, etc.) all of which kick in when under a load (vs. idling). Also, check ignition timing, especially ignition advance mechanisms, for...

If you replaced the driveshaft joints and the shaft is still making noise when in drive then you may have binding joints. You may need to make sure the new joints are not binding from the installation. You can use...

This can be caused by a number of things such as low coolant levels, a faulty thermostat, a clogged radiator or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant...

While the autolock feature is designed to help keep you and your passengers safe on the road, there may come a time that you need to deactivate it. There are four different ways you can do that, but one of...

Hi there, Check the fuel system on your engine to see if the fuel pressure regulator is working properly. It seems that either the fuel pressure regulator is putting a higher pressure on the fuel injectors or the cylinders 2...

I would stongly recommend taking your vehicle back to the place that changed the oil and showing them the information that the dealership gave you. I would request that they compensate you for the issues you are having with your...

Hi There, The groaning noise you are referring to may possibly be a failing wheel bearing. A wheel bearing will usually fail due to pitting or small damage on the surface of the rollers or the bearing race. Both the...

The problem you are describing is electrical in nature. When this new type of "electronic" steering system first saw widespread use, there were occasionally problems due to design glitches and unforeseen operating issues. In 2009, there was a Lexus Service...

While it may be possible abs sensors were damaged while the brakes were replaced, without being able to see them to inspect for physical damage, it would be impossible to say yes, they were damaged during other repairs. ABS sensors...

Drive line joints are easily checked but, based on your description, the operating condition of the engine itself might be a issue. Poor or uneven acceleration can be caused by faults in the throttle position sensor, mass airflow sensor, vacuum...

Hi. The electronic portion of your sunroof includes the sunroof switch, sunroof motor and body control module (BCM). The BCM supplies power to the sunroof motor when the operator pushes the switch. In some cases, a simple reset is all...

Hi Alex. Thanks for sending us the question tonight. It's actually a very good question. If the dealership has inspected the vehicle and determined that the symptoms you're experiencing are caused by a computer or software glitch, a reset or...