Q: i don't know when the last time the transmission fluid was changed

Salvage cars are a gamble because you usually don't know what happened, that being said I would be willing to bet its only a misfire, is the check engine light on? These codes could be helpful, the fact that the...

Hello. Though this can be caused by a transmission failure, most of the time it is either caused by a cracked flywheel or a failing timing chain (https://www.yourmechanic.com/services/timing-chain-replacement). I usually try to narrow down the location of the noise as...

If the noise is loud and constant then the cooling fan clutch is stuck in the applied position, causing the fan to be locked to the water pump shaft. The fan clutch is suppose to change as the temperature changes...

Hello - yes, it is possible that the electrical connector for the throttle position sensor (https://www.yourmechanic.com/question/when-i-press-on-gas-pedal-it-s-not-accelerating-by-carl-p) has a loose or poor connection. It is more likely that the throttle position sensor is failing. It has redundant circuitry, which accounts for...

Hi there. Check for fuel pressure on the fuel rail with the engine running. If the fuel pressure is at 50 psi or higher, then the fuel pump is working. If the fuel pressure is low, then the fuel pump...

The actual codes would be needed to steer you in a precise direction. Generally, global misfires are a consequence of a major fuel and/or air induction system issue. Your vehicle has individual spark plug coils so that is not likely...

Check your lug nuts first! It may not be the problem, but it's a good first step. Usually, a shake like the one you describe is a tire balance issue. But if it came on suddenly as you say, it...