Q: The temperature part of my air conditioning works but the directional part of it is stuck on defrost

Hello. When you get the P0421 code (https://www.yourmechanic.com/article/p0421-obd-ii-trouble-code-warm-up-catalyst-efficiency-below-threshold-bank-1-by-andrew-quinn), it usually means that you have a failing catalytic converter (https://www.yourmechanic.com/services/catalytic-converter-replacement). It is very common for converters to fail on this vehicle over time. Most of the time I use a scan...

From your post I presume that you have checked the codes and got a throttle body code. The car may still seem to be okay and you want to know if it is safe to drive. The answer is: probably....

Hello there, many issues will cause a fuel smell in your 2004 Mitsubishi Outlander. Fuel smell from spills can linger for some time on the vehicle, especially if the fuel was inside the vehicle at all. If the fuel smell...

Hello, this transmission type has a shift cable that routes from the gear shift to the transmission. The shift cable assembly may be broken causing this issue, this will require an inspection to confirm this. If you'd like, a certified...

Hi There, White smoke indicates that you may have an internal engine problem, such as a head gasket leaking coolant into a cylinder. If white [smoke]((https://www.yourmechanic.com/services/smoke-from-engine-or-exhaust-inspection) is blowing out from the exhaust during first 3 minutes of a cold start...

This may be stating the obvious but, it never hurts to go over the basics such as wheel balance and suspension play. Make sure that your vehicle's suspension parts do not have any excess movement as this can cause vibration...

Hi there. The engine could be stumbling for the coil pack or distributor may not be functioning correctly. As the coil pack or distributor gets old, the parts tend to become weak and is not able to send an electrical...

Hi there - overheating is caused by the inability of the cooling system to deal with the heat generated by the engine. The engine itself can overheat from a stuck (closed) thermostat, or a blown head gasket (which effectively "superheats"...

You did not mention why the radiator was replaced but I think your engine was overheated causing the head gasket to go bad. This would cause the white smoke out of the tail pipe and an engine misfire and overheating...