Popular questions

You need to check to see if the corrosion is causing a no connection from the battery to the main power supply. The corroded cable may need to be replaced.

Hello, thank you for writing in. Tracking the rattling noise will have to start by observation. Take a good look at the engine while it runs and try to get a better idea of where exactly in the engine it...

A faulty or blown fuse in other electronically controlled systems can cause the IAC (idle air control) motor to malfunction, leading to a higher than normal engine idle speed. Other possible causes of a high idle include vacuum leaks, a...

Hello, thank you for writing in. The oil pan gasket can be tricky to replace. Quoting an exact price for this service can also be tricky. Removing the oil pan to access the gasket is the hardest part, and can...

Hi Love. Thanks for contacting us today. On many modern cars, trucks and SUV, there is a reduced power warning light that illuminates typically when the symptoms you are describing occur. If this warning light did not illuminate on your...

This is most likely related to a fuel supply issue at start up. When you turn the key to on, your fuel pump is engaged and quickly (for a few seconds) primes the fuel system to get fuel to the...

Hello - the lack of fan functionality in the front only of your van could be caused by either the front fan, the fan control switch or the front fan motor resistor pack failing. If the front fan works in...

Hello. Thank you for writing in. Typically minor noises from the brakes when the vehicle is moving slowly is normal. Brake dust and dirt is one of the most common. Eventually this debris is rubbed off by the brake pads...

The first thing to check is to have someone look at your brake lights when you push the pedal. If you do not have brake lights, then the brake light switch is bad or one of the wires at its...

Part of the service YourMechanic provides is diagnostic related services as we understand that often times the symptoms you are describing may not be clear and you may not know what may be wrong with the vehicle. This may be...

Hello. This is typically caused by a brake light switch problem. This is located on the brake pedal assembly and is a common failure. I always test them before replacing them, but most of the time these are bad and...

This may suggest your brake booster is failing. The brake booster is a mechanism that uses vacuum pressure to take the force being applied to the brake pedal and amplify it. If the booster is bad, then the full amount...

This may be a sign of a failing voltage regulator. This is a unit that regulates the charging of the battery by the alternator. Often times this will result in the alternator allowing too much power to be delivered to...

Hi there, thanks for writing in about your Volvo. There should be specific alpha numeric "codes" displayed on the Code Reader. Do you see/have those "codes"? These will help pinpoint any faults and assess the issue. I would recommend having...

The only transmission interchange that might work for the 2005 Explorer with the 4.0L engine is the 2004 Explorer but even that depends on whether you have the 2WD or 4WD version of the Explorer. The F150 transmission from 2000...

Hi there. Typically when your transmission grinds only in that particular gear, it is because the second gear's synchronizer is failing. That would mean that the transmission would need to be taken apart and rebuilt. Prior to doing this, I...

This sounds like potentially a blown head gasket unfortunately. I would definitely not start or drive the car any longer until having it checked by a mechanic. When this happens, the gasket between the cylinder head and the engine block...

It is not impossible that your Lincoln MKZ may have some computer problems that reprogramming can solve. However, a problem may exist with the wiring that is associated with the ignition coils on the two cylinders that are not getting...

The starter relay is located under the driver side speaker in the dash, mounted to the firewall. It may be possible to remove the speaker and reach the relay. If you are not comfortable with the repair or would like...

Thanks for your interesting scientific question. Actually, sort of unexpectedly, as the research turned out the principal hazard to the public (i.e., you) from CO (as measured by both mortality and morbidity statistics) has turned out to be the chronic...

If the issue began after you replaced the wiring I would double check the wiring for any faults. A continuity test would be the best way to make sure that the connections are secure and making proper contact. If the...

If you are talking about engine noise, that means that the engine is on its way out. That generally means that the bearings on the crank are worn and that the pistons are making the clunking around. Because, instead of...