Q: Car misfire

This is a pretty common problem for your vehicle. Your serpentine belts are likely worn out. In addition it is highly likely that you could have a bad pulley or belt tensioner. If any one of these things are a...

The only way to accurately diagnose this concern is to have the vehicle's loss of power condition inspected (https://www.yourmechanic.com/services/loss-of-power-inspection) firsthand by a professional, such as one from YourMechanic. I can, however, make a couple of guesses as to what is...

The majority of the top end of the motor will in fact need to come apart in order to replace head gaskets. However, this would not necessarily be true for replacing only the timing belt.

Hey there. There are a few other reasons aside from the thermostat (https://www.yourmechanic.com/services/thermostat-replacement) that may cause the car to overheat such as a clogged radiator (https://www.yourmechanic.com/services/radiator-replacement) or potentially a faulty coolant fan switch (https://www.yourmechanic.com/services/thermo-coolant-fan-switch-replacement). A clogged radiator may prevent the...

Hi there: The OBD-II trouble code P-0304 (https://www.yourmechanic.com/article/p0303-obd-ii-trouble-code-cylinder-3-misfire-detected-by-spencer-clayton) indicates that cylinder four is misfiring or having ignition issues. The most common causes include a faulty spark plug, clogged fuel injectors, or even an intake valve leak. To know for certain,...

The head gasket and/or other mechanical components of the engine are NOT involved in this fault you are experiencing, at all. Cavaliers have quite a few electrical and instrument panel problems. If you search the NHTSA database (http://www.safercar.gov) for complaints...

Hello, thank you for writing in. With full battery power, the battery may still be struggling to use that voltage and it may not be providing enough amperage to the starter. You should have the battery tested at an automotive...

If you are referring to a transmission shift solenoid(s) that component is within an internal transmission assembly known as the transmission "valve body". The valve body can sometimes be removed from the car for service, including replacement of the solenoids....

Hi Conor. Thanks for contacting us today. In most cases, the issue of 'self acceleration' is caused by one of the following; a damaged throttle body, vacuum leak, electronic throttle control, or idle control valve issue. This is a rather...