Q: RPM fluctuating when the car is in third gear during acceleration

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My car has gone around 130,000 miles. The RPM seems to be fluctuating when the car is in third gear and I give it gas. It increases, then drops down and again increases and yet again loses power. Is this a transmission issue? What should I do? Thanks.

It sounds like your transmission is either slipping in third gear or having trouble shifting to fourth gear. I would recommend having this issue diagnosed by a certified transmission mechanic, as soon as possible, as this could potentially cause internal transmission damage. This issue may be repaired by replacing a shift solenoid, replacing the transmission fluid, or performing a complete transmission overhaul. With that in mind, it is important to have this issue diagnosed correctly to avoid wasted time and money. A certified mechanic, such as one from YourMechanic will diagnose and inspect why your transmission is slipping in third gear, when accelerating.

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