5 Signs You Shouldn't Buy a Used Car: Expert Advice

TLDRLearn the five warning signs that indicate a used car should not be purchased, including smoke from the exhaust, rough idling, unusual engine noises, transmission issues, and hidden problems detected by a scan tool.

Key insights

⚠️Smoke coming out of the exhaust indicates potential engine issues.

🔊Rough idling and shaking at idle can be signs of serious mechanical problems.

🔊Unusual engine noises, such as clacking or knocking, are red flags that the engine may be worn or damaged.

⚙️Transmission problems, including rough shifting or slipping, can be costly to repair and should be avoided.

🔍Using a scan tool to check for hidden problems is essential, as some issues may not be visible or easily detected during a test drive.

Q&A

What should I do if I see smoke coming out of a used car's exhaust?

If you see smoke coming out of the exhaust, especially white smoke, it is a sign of potential engine problems. Walk away from the car and look for other options.

Is a rough idle a serious issue in a used car?

Yes, a rough idle can be indicative of serious mechanical problems. It is best to avoid purchasing a car with this issue as it could lead to expensive repairs.

What are some common engine noises that I should be wary of in a used car?

Unusual engine noises, such as clacking or knocking, should raise concerns about the condition of the engine. It is advisable to avoid buying a car with these noises.

Are transmission problems common in used cars?

Transmission problems can be common in used cars, and they can be expensive to repair. It is recommended to avoid purchasing a car with rough shifting or slipping issues.

Why is using a scan tool important when buying a used car?

A scan tool allows you to check for hidden problems in a used car's computer system. It can help detect issues that may not be visible during a test drive, enabling you to make an informed decision about the purchase.

Timestamped Summary

00:00In this video, you will learn about five signs that indicate a used car should not be purchased.

00:23The first sign is smoke coming out of the exhaust, which can indicate potential engine problems.

02:45The second sign is rough idling and shaking at idle, which can be signs of serious mechanical problems.

05:10The third sign is unusual engine noises, such as clacking or knocking, which can indicate engine wear or damage.

07:32The fourth sign is transmission issues, including rough shifting or slipping, which can be costly to repair.

09:34The fifth sign is the use of a scan tool to detect hidden problems, such as electronic or computer system issues.