Popular questions

Hello! Thank you. In the case of possibly purchasing a new vehicle, it is always recommended to have an inspection done first. This allows for the mechanic to determine what types of repairs may be needed now, or in the...

Hi there. The heating control valve or thermostat is responsible for sending recently heated coolant from the cooling tubes and to your heater core. As long as you keep your heater turned "off", it shouldn't impact the operation of your...

The horn is a pretty basic circuit on your truck. The most common causes of a horn failure on your truck are the horn itself, the horn button, or the body control module. If the horn does not work at...

Hello, thanks for your question. In order to answer your question I would need more detailed information. Power steering systems use hoses, a pressure hose, and a return hose. The pressure hose goes from the pump to the power steering...

You need to check the right rear under vehicle to see if your rear a/c heater hose is leaking or broke the control valve. If you did not break a hose you can bypass heater core by connecting the two...

Hey there. This may be caused by a few different things which all seem to indicate you have a fuel supply problem. This may be caused by low fuel pressure, dirty or faulty fuel injectors, low voltage to the fuel...

Hello. From what you describe, I believe you are referring to the ABS light, and the ABS brake actuator. The brake actuator is the component that will pump your brakes when the ABS system detects wheel slippage. Keep in mind...

The speedometer receives a signal from the vehicle's speed sensor. A malfunctioning speedometer is often connected to some malfunction with this sensor, or the vehicle computer. Have a mechanic, like the experts housed here at YourMechanic, inspect these systems for...

This is an electrical problem that is resolved using what is referred to as a "circuit trace". A circuit trace pinpoints the wiring (or component) fault that accounts for the misoperation. If you have the factory wiring diagram in hand,...

Hi there, thanks for writing in. I'd be happy to try to help. I'm curious to know if other symptoms are present before isolating what's going on. The truck shutting off can happen for a variety of reasons. When this...

Hi there - yes, the "D" unit is an updated steering rack ("F" updated models are already available, so the updates continue). However, remember that this is electrically power-assisted, and there is a software component to the equation. If you...

You may have a connection that is getting corroded and is causing intermittent connection problems. If the problem happens again then have the connection to the dashboard cluster disconnected and then add dielectric lube to connection and pins. At the...

There are a number of things that can make a car jerk while you are cruising. Many of them would bring up a check engine light, but there are a few, like fuel pressure problems, that might not. With a...

You will need to have the fuel tank smoke tested to see what is causing the fuel vapors to be getting into the engine when you are filling the tank with fuel. You may have a stuck fuel tank vent...

I'm guessing the bumping noise you're referring to means it clicks and then finally starts. Or possibly that it cranks and then starts? These are two different issues. A click no start indicates a problem in the starting system. A...

This is somewhat common on the later model Corvettes. Try unhooking the battery to see if a "global reset" will correct this as sometimes this allows the controllers to reset. The Corvette (as well as many other vehicles) has an...

Your car should be inspected to determine the origin of the coolant leak and, for your safety, to verify that no other undercar components were damaged in the incident. Once a complete picture is assembled, the mechanic will fully inform...

Generally, replacing the bushings should keep the sway bar operating properly and doing what it is designed to do. When replacing the bushings, you may want to inspect the sway bar to make sure it is not bent or damaged...

Hey there. This sounds like the starter or starter solenoid has failed. Given that jumping the battery does not work, it is more likely the starter solenoid. Have a professional mechanic, like one from YourMechanic, diagnose the starting problem in...

The first step in dealing with bad gas is removing it from the fuel system as quickly as possible. This will help prevent further damage to any of the fuel system components. To do this, it will require that the...

Hi there. It is possible you may need to replace your thermostat. The thermostat opens when the car gets warm to allow more coolant to flow through the cooling system. When it fails, it can become stuck closed and will...

Hey there, thanks for writing in about your 2004 Jaguar XJ8. If you are getting a noise in the vehicle only between certain speeds, then you may have a transmission needle bearing or something like that in the transmission that...

Check the Steering Lock Module for faults. This component is tied into the vehicle security system (including your ignition key), and appears to have either failed or is not sync'ing correctly with the key and security system. A professional mechanic,...

You will need to have the computer tested to find out what codes are stored in memory and then have those codes tested to find out why the check engine light and EPC light is on. A mechanic like one...