Q: How do I scroll through the radio stations?

A246. Your spare tire is a vital safeguard, and the only way to get safely back on the road after you’ve had a flat. However, if it’s not aired up correctly, you might not be going very far. Check your...

A few different things have the potential to cause the transmission faults you have described. The most common would be a transmission position sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-transmission-position-sensor-switch)/range switch, neutral safety switch (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-neutral-safety-switch), shift solenoid, low fluid level, or the transmission itself. I'd...

Hi, thanks for writing in. An Isuzu NPR should have one ECM (engine control module) (https://www.yourmechanic.com/article/how-long-does-an-engine-control-module-ecm-last), which is the computer. This is the brain of your vehicle. It is what regulates your fuel to air ratio as well as all...

This may be related to a few different things, such as a clogged radiator not allowing coolant to circulate properly, a thermostat that may be stuck closed not allowing coolant to flow through the motor, or potentially a bad coolant...

Since the symptoms changed when you touched the battery terminal, it leads me to believe you may have a poor connection and the main battery terminals. If they are badly corroded or have any small cracks, the terminal may be...

If the car was run completely out of fuel, there is a chance that the fuel pump may have been damaged. The fuel pump relies on the fuel in the tank to keep it cool, lubricated and functioning properly. In...

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Vibration at speed is usually due to dynamic imbalance of the wheel/tire assembly and/or a rim is bent. Even stronger vibration on braking can mean that the brake rotors are warped as well. Certain tire defects, particularly internal belt damage...

Some learned engine operating parameters values, stored in the PCM (engine computer), can be lost when the battery is replaced. However, after 25 miles or so, the engine should operate normally as it did before. If it doesn't, then there...