Q: AC only blowing cool, not cold air

Your car is equipped with a number of important warning lights. The Brake light is there to warn you of a potential problem with the brake system. There are a couple of reasons that this light may come on: The...

The rough running is most likely due to an engine misfire. Depending on the mileage of your van, you may need to have a tune up done which may solve the misfire problem. It is also possible that your ignition...

Hi there, thanks for writing in. If you're getting a loud banging on acceleration, I would say it sounds like you have worn engine or transmission mounts, or perhaps a worn torque arm bushing that mounts the solid rear axle...

Hello! We will be happy to assist you with your 2010 Ford E-250. You will have to remove the whole caliper and bracket as one, then remove the caliper bolts from the bracket once the caliper and bracket is repositioned....

Hi there. The code P0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) means that the catalytic converter is below threshold and cannot burn off any emissions in the exhaust stream. The O2 sensors have pickup this fault and put the engine into limp mode. As for...

Your Nissan uses what is called a continuously variable transmission (CVT). Instead of using one or more planetary gear sets like a traditional transmission, a CVT uses pulleys and steel belts to provide an infinite number of "gear ratios". Unfortunately,...

Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to drop below...

Hi there. In most cases, when you have this type of shifting problem, it's due to old transmission fluid inside the hydraulic lines of the transmission. It could also be due to inner transmission seals being damaged or an inner...

Thumps and clunks can be hard to diagnose from a desk. Particularly in a car with that many miles where anything could be wrong. It may be that you have a motor or transmission mount that is going bad. or...