Q: Failed to downshift to lower gear

It is very possible that the coolant level in your 2014 Dodge Dart is low. The symptoms you are describing are almost always caused by a low coolant level. Likewise, low coolant level means there is likely a leak somewhere....

If removing the driver door window switch (https://www.yourmechanic.com/services/power-window-switch-replacement) (or the driver-side console switch), and applying direct power to the harness yields successful operation of the window, the problem is the switch that was removed for the test. This can be...

The battery light can come on for a few different reasons in addition to a weak battery. I would suggest having the alternator tested (https://www.yourmechanic.com/article/how-to-test-your-alternator_2). If this checks out fine and the is still on, also check the voltage regulator...

When a vehicle gets poor fuel economy, it's typically due to an electrical sensor that is faulty, such as the oxygen sensors (https://www.yourmechanic.com/services/oxygen-sensor-replacement), the air fuel ratio sensor, dirty fuel injectors, or the throttle body being dirty. Driving habits can...

This suggests that your water pump may be leaking around the shaft where the pump bolts to the pulley. This is a common place for many water pumps to leak. There is a seal inside this shaft that will often...

Hello there, a variety of issues will cause your 2004 Honda Civic Hybrid to not move in gear. The most common is shift linkage failure, this is the linkage which places the transmission in the selected gear. Other likely faults...

If the vehicle is getting power and the light are coming on the dash, then the immobilizer has the ignition system disabled. Check the fuel cut off switch (vehicle safety switch) and see if it has been tripped. If the...

Hello - new thermostats are electronically controlled, primarily to be sure they are getting the engine up to operating temperature quickly. As such the thermostat and air conditioning compressor are separate components, and failure of one or the other are...

It sounds like your vehicle's transmission is not shifting properly. Check the level of transmission and fluid condition. If the fluid level is low, that will cause shift difficulties. If the fluid is discolored or has a burnt odor, that...