Q: Oil leaking from my car.

A worn timing chain can cause some camshaft timing to become erratic and cause a host of engine running issues. However, there is a tensioner on the lower part of the engine that is supposed to remove the slack automatically...

If the catalyst is broken inside the converter housing of your 2001 Mercedes E430, then you may get some loss of power due to increased back pressure from partial blockage created in the converter. This can also lead to increased...

Hey there. You should have the fuel pressure checked to see if the pressure does not drop after you turn off the vehicle. If it does, then have the pressure regulator replaced for not holding pressure. If the pressure holds...

If the symptoms occurred immediately after the engine conversion (from 2AZ to 1AZ), such problems can stem from incompatibility of engine computers and controls. If this modification of the engine was performed at a regular Toyota dealership though they may...

The vehicle speed sensor (VSS) is the most likely cause of your inoperative speedometer. The powertrain control module (PCM) uses the VSS signal to determine the control of outputs such as speedometer operation. The VSS circuit or speedometer gauge could...

You may have a bad power steering hose. If you are losing fluid, you will see it leaking somewhere under the car or you may see a wet hose under the hood. Sometimes when the hoses get old they will...

Hi. Valve cover gaskets are a common leak point for high mileage vehicles. The repair is not very complicated and in most cases can be performed by a qualified technician, such as one from YourMechanic. Once the gaskets have been...

Hello there. Thanks for writing in about your 2001 Mercedes CLK430. There are a few potential causes for this. Most common would be a fuel pump, battery, battery cable, starter, or ignition switch. Any of those parts could be intermittently...

Hi there. The cost of replacing a starter varies on which shop you take your vehicle to. Each shop has a different hourly rate and a different plan like adding a diagnosis with the replacement. The price that you have...