Popular questions

The cooling fan and thermostat would need to be checked for operation first. Also, the system pressure should be checked and tested for leaks. I recommend having a mechanic, such as one from YourMechanic, come out to you and inspect...

Hello there, a broken timing belt tensioner pulley will cause big issues with your 1990 BMW 325i. When the timing belt slips or breaks it can cause the valve timing to get thrown off and the valve can hit the...

Hello. If your car is stalling and it stops spraying fuel then most of the time this is caused by a failure in the crank position sensor. This is a common issue on this vehicle. When it fails the computer...

If you did not get the title put into your name and then lost the title you will need to seek out the previous owner to see if they can get a duplicate title and then sign it over to...

This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to being injected...

The first thing to check is to see if the transmission is low on fluid or there is a major leak on the transmission. If the fluid is full and no leaks are found then the transmission has an internal...

Hi there. You can swap the engine from a 1981 model to a 1997 model, but you will have to swap the entire power plant, the engine, the transmission, and all of the electronics including the exhaust system through the...

Hi there. It sounds like the starter may have failed. Many times when a starter fails, it gives no warning or signs leading up to the failure. Make sure the battery and alternator is healthy with proper testing, not a...

Generally, whenever I have a car that comes in with your complaint it ends up being a low refrigerant charge. The reason why one side is hot and one is cold is because there is not enough liquid refrigerant to...

Generally, misfires are caused by either a spark or fuel issue or in cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition modules...

Faults in electronic or mechanical control components in the HVAC system have no effect on the heater core in the passenger cabin. The heater core itself is not a component that would looked at as a cause of engine overheating....

Hi there: Without being there to inspect your vehicle, or having information about what type of car, truck or SUV you own, it's very hard for us to give you some advice. You might want to have a professional mobile...

Hello and thank you for contacting YourMechanic. Check the mass air flow (MAF) sensor for any debris or if it has a bad connection. If the sensor is dirty, clean the sensor, and put it back on. If the sensor...

There should be an oil pressure sensor located near the filter housing. Check to see if there is a leak at the sensor. At idle, there should be about 15PSI of pressure and about 50-60PSI at around 3,000 RPM's. There...

Hi there. There are a number of things that can cause this. The most common causes of noise under this vehicle are loose frame cross members or worn out shocks. If the springs are worn out then the control arm...

Hello. A whining noise from the front of your engine can come from a number of things. Most of the time though it is caused by a failure in the power steering pump or low fluid in the pump. I...

Hi there. You might have a blown high pressure hose from the pump to the steering rack. The fluid is getting onto the exhaust system and may pose a fire hazard. I recommend you do not drive the vehicle, for...

Hi there. In most cases, a low engine idle is caused by an idle control valve that is damaged, a vacuum leak or in some case, clogged fuel injectors. It is also typical for an engine idle to be low...

There can be a few reasons why your Dodge Magnum is experiencing intermittent starting problems. A faulty starter is a common component to fail, however a failing ignition switch or a failing starter relay can also be the culprit. To...

The engine compartment of a 2011 Dodge Grand Caravan is not as big as older vans used to be. As a result, fitting an auxiliary fan to your radiator in an effort to make it run cooler might be difficult....

Hello. The idle air controller is suspect in this scenario - either needs to be replaced or cleaned (if possible). It sounds like it is not responding to the increased load of the alternator. A dirty throttle body or air...

If there is water leaking into the convertible top well and trunk area, this should be addressed first. Replacing electronic components while still having a water leak issue will only cause damage to the replacement components. If the leak has...

You may be having wiring harness issues that would have to be isolated and traced for each problem you are having. The door locks could be a wiring or a lock actuator issue. These are probably random unrelated issues that...