Popular questions

Hi - we need a bit more information to know how to prioritize these possible repairs. A roaring noise while driving would evidence wheel bearing issues. Pulling to one side or the other would indicate a brake caliper issue. Squealing,...

Common causes of overheating include low coolant level, a faulty thermostat, a plugged radiator, collapsed hoses, non functioning cooling fans, and a faulty water pump or drive belt. Certain engine faults, such as a leaking head gasket or poor engine...

Hi There, Depending on how long the engine overheated for, this may suggest you have a blown head gasket. A blown head gasket may cause a number of different symptoms. Coolant in the engine oil, an engine misfire or oil...

It is possible that you could be having issues with your powertrain control module. This module is the computer for your engine and transmission and may require reprogramming or replacement. I would recommend visiting your local Ford dealership as they...

Hello, thank you for writing in. If you have reason to believe that the issue is fuel related, start by testing the fuel pressure at the engine. This can be done with an in-line gauge, and is relatively easy to...

It sounds like you may have a dirty or faulty idle control valve or potentially a fuel pressure problem. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the...

Hi there. When the battery fails to charge correctly it is due to one of three things typically. First, it's possible the battery is worn out and low on cranking amps and simply needs to be replaced. Second, it's possible...

The electronic speed control system lets your vehicle run at a set speed without you pressing on the throttle. All the controls for the electronic speed control system are on the right side of the steering wheel. Setting the system...

You will need to look at the strut. It may be bent, or the spindle could have been damaged when he went off road with a lowered car. Have the front end inspected to see if the strut or spindle...

Hi there. You do not need to remove the steering wheel. You will have to remove the upper and lower covers to the steering column. Then remove the locking clip and collar on the ignition switch and push in on...

A vehicle not moving when put into, drive can be caused by many things. The problem may be as simple as the need to add some transmission fluid to as serious as the need for a replacement transmission. As the...

This may suggest that the failing voltage regulator may not be working properly. The voltage regulator is a unit that regulates the charging of the battery by the alternator. When the voltage regulator is not working properly, this may result...

If you were able to start and drive the vehicle for two days with all the warning lights on before this, did you notice any other issues during this time? You are going to want to start by replacing the...

Considering that the code is related to a problem in the fuel system, you should leave it to the professionals to avoid personal injury. When fueling the car, check twice to make sure the fuel cap is fastened properly. Low...

My suggestion is to have the coolant refilled and the system pressure tested to see whether you have a leak, or the engine overheated due to a fan not turning on, or you have a blown head gasket. A...

In the majority of vehicles, engine idle speed is controlled by an idle control valve (ICV). A faulty or blown fuse in other electronically controlled systems can cause the IAC motor to malfunction, leading to a higher than normal engine...

The new radiator most likely did not come with new quick connectors for the transmission cooler lines going into the radiator. You had to remove the old ones from the bad radiator and transfer them into the new radiator. The...

Hi there. Most often, this problem is due to a dirty or failed wheel speed sensor. The ABS and TCS systems depend on wheel speed readings from these sensors. Cleaning the sensor heads, and the inductance rings on the wheel...

If you want to use an OBD-II controlled engine (2001 versus 1993), you will have to completely replace the entire electrical system on your 1993 324i (i.e., use only the 2001 model year electrical system and computers). The engine computers...

The cooling fan motors should both come on together. The cooling fan controller will control the speeds of the fans with input from the engine control module. Your fans are controlled by the fan controller on the fan motors and...

To obtain specific identification of the oil brand, and certifications (API, etc.), please contact YourMechanic's customer service help line directly at (800) 701-6230. Please note that brand "names" have never been a recognized, or even practically usable, criteria to select...

Shocks and struts are vehicle specific. They're designed to operate within a certain range of travel. When you mix lowering springs - especially those that lower the car a couple of inches - with stock shocks and struts, the ride...

Hi there. If when you remove the TPS (throttle position sensor) and the engine runs better, then there could be an issue with the MAP (manifold absolute pressure) sensor. Check the MAP sensor and see if the harness is good...

Hi there - while it's possible that water intruded driving "over" a puddle, this seems unlikely in an age of quality, well-sealed cars. The immediate smell also suggests this is not water, but perhaps engine coolant leaking from the heater...