Q: Misfire on cyl. 4

Your car runs on gasoline. This is what’s burned to provide power for turning the wheels. However, not all gas types are created equal. Your engine is rated to use gas with an octane rating of 87 or higher (87-octane...

Hello, I would advise you to first check and see if you have a blown fuse for the power door locks. If the fuse is good then you will need the aid of a mechanic who can removed the door...

If the transmission operates normally in all other driving conditions this sounds like a feature in the transmission program to inhibit upshifts to prevent a runaway condition when going downhill in case the driver is towing or a hauling heavy...

Hello. If you are able to "turn over" the engine (using, say, the starter motor) but the distributor rotor is stationary, that means the gear on the distributor shaft is sheared off. However, you are also indicating that the battery...

As you know, the sway bar connects suspension components on opposite sides of the vehicle. The stabilizer bar (https://www.yourmechanic.com/services/stabilizer-bar-links-replacement) should be checked for stiffness. This causes side-to-side motion in the car which affects steering and handling of the vehicle. Failure...

Hello there, squeaking brakes can be caused my many different faults on your 2008 Volvo XC90. The most common causes are the improper brake pad material. There are two different kinds of brake pad material that are common, semi-metallic, and...

I believe what you are experiencing is a sticking brake caliper. When a brake caliper sticks this will cause the brakes not to release. During this process the brake rotors become overheated and therefore warp out. This will cause you...

If you are referring to the metal radiator pressure cap, leaving that cap off will cause coolant loss and overheating. Leaving the plastic cap off of the plastic overflow reservoir may cause coolant loss if the overflow pick-up tube is...

Hello, thank you for writing in. When you jump-started the vehicle, you may have done damage to the radio. The radio itself may be continuously blowing the fuse as it is trying to turn on. You may want to try...