Popular questions

If your Altima is equipped with the Nissan Vehicle Immobilizer system rather than the vehicle security system, you have significantly more protection from theft. The system works to prevent someone from stealing the car (although it will not prevent people...

In order to do this swap you would need to change out complete computer, fuel, exhaust, cooling systems along with transmission and may even need to change out suspension due to additional weight of motor. This is not something that...

Hello. Water may have gotten into a relay or the fuse box, which could be causing the fan to run or not work properly. I would suggest that you have a certified technician, like one from YourMechanic, inspect the cooling...

Hi there: You're going to want to flush your brake fluid lines as soon as possible; as power steering fluid and brake fluid are different types of hydraulic fluid designed to work in different hydraulic-based systems. You can contact one...

Hi There, This may be caused by a couple of different things such as a water pump that may be starting to fail or possibly an alternator that is beginning to go bad. Either of these will produce a bit...

Your engine throttle body and idle air control may be clogged with carbon and engine is idling too low with A/C on causing the rough idle. Have the idle control valve and throttle cleaned out. You may also have the...

Random rattles are difficult to pinpoint without actually hearing it but I can list a common cause or two. Considering the age and mileage of the vehicle, the exhaust system is a good place to look. Exhaust systems are commonly...

Popping back through the intake, along with misfires, is a sign that the engine is running lean (not enough fuel). Here are a few things to check: Check the fuel pressure: There is usually a port on the...

Hello. The battery light is usually activated when the computer detects that the system voltage is low. The most common cause for this is a faulty alternator or battery. The alternator is the component that provides the power for...

Hi There, It sounds like you may have a faulty MAP sensor as your vehicle seems to respond adversely to varying loads being placed on the motor which is what the MAP sensor is designed to do. The Manifold Absolute...

No Bus refers to the data bus by which the computer (ECM) in the vehicle communicate with each other and with the various components which they read and control. There could be a broken wire, a corroded or loose connection,...

Hi Daniel. Thanks for writing in today. Typically the limp mode will be activated when there is a driveline system failure, such as the transmission. However, it is possible for the limp mode to trigger when a major component like...

If you are now getting U1900 after disconnecting the module then you may have damaged one of the pins or damaged the module when reconnecting it. You may have to replace module and have it programmed and then may still...

If the check engine light is on, codes were stored. As an initial step, those codes should be read as they may have essential clues to what is going on. To have the codes read, and the no start resolved,...

Hi there. If the starter had power to it while you were driving long past when it was started, that means that the starter solenoid was passing current to the starter motor. Why the starter bendix wasn't kicking the starter...

Hello, and thank you for writing in. Considering the age and mileage of the vehicle, there could be a number of issues going on. At this point in its life, there are going to be critical components that will need...

Your engine should only have one in the system.

Hi there. In most cases, when you hear a constant squealing noise while driving it's due to a serpentine belt that has become loose and need to be replaced. It could be a different belt, pulley or the power steering...

To determine if crash forces led to master cylinder failure you would have to determine exactly "what" failed within the master cylinder. If the master cylinder bore is scored or worn, for example, thus causing significant output pressure loss, that...

Hello. I have seen this occur several times on this particular model. Due to the design of the floor mat it comes loose and gets under the gas pedal which causes this to occur. This happens even more often with...

Hello there, many different faults will cause a humming noise from the front tire of your 2008 Kia Optima. The most common would be a failing tire, wheel balance, wheel bearing, dragging brake pad, sticking caliper, or a CV axle...

You should check the big main vacuum line going from the PCV valve to the intake manifold. The connection at the manifold gets a hole in it and will cause problems with running at lower rpms.

Hello there, thanks for writing in about your 2002 Mercedes-Benz CLK430. There are many possible causes for this fault. The most common would be a failing key cylinder, steering wheel lock, or ignition switch. I recommend having a qualified technician,...

Faulty motor mounts are a possibility but suspension faults, such as worn struts, can also cause shaking at high speed. If the problem is suspension related, it may occur during acceleration versus coasting because during acceleration the suspension geometry (running...

If the engine is not cranking, that is the starter motor is not engaging the flywheel and turning the engine over, that doesn't implicate the ignition system (e.g., ignition coil(s)). A possible cause of your no start condition is the...