Why does my car have a sluggish engine?

Why does my car have a sluggish engine?

Sluggish engine behavior can very often be traced to worn or faulty parts in the ignition system. Several components in the system need service at regular intervals. For example, spark plugs and spark plug wires, but the ignition coil and ignition timing should be checked as well.

Can a test drive tell you anything about a car?

You can catch some engine and transmission problems during a test drive. A used car history report may help you avoid cars that have been restored after an accident or not serviced regularly, but it won’t tell you anything about the current mechanical condition of the vehicle.

How can you tell if your car has a bad transmission?

When test driving a car with an automatic transmission, watch out for delays, slipping, harsh shifting or any other signs of a worn transmission. If you accelerate slowly, you should be able to feel how the transmission shifts gears, unless it’s a continuously variable transmission or CVT that changes the gear ratio gradually.

When to know if your car has problems?

If you see a blue smoke from the exhaust, avoid the car. Many problems are easier to detect when the car is started cold. If the engine has loose pistons, sticky lifters, cracked exhaust manifold or stretched timing chain, you will hear it better when it’s started cold. Once the engine warms up, many such problems might not be noticeable.

What makes a car run sluggish at high speeds?

(2)Some vehicles, when they get older, need a higher octane gas than they formerly for best performance. A partially clogged up fuel filter may cause your engine to bog down, especially when you’re trying to drive at high speeds or climbing a hill.

When do you get your car engine inspected?

Get your engine problems diagnosed at your home or office. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Our certified mobile mechanics can come to you now. It can be frustrating for any driver to expect certain acceleration from their vehicle only to find that the vehicle seems to be hesitant while speeding up.

What causes an engine to hesitate when accelerating?

Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.

Why does my Buick Lucerne engine hesitate during acceleration?

A vehicle with a combustion (gas or diesel) engine requires an exact mixture of fuel and air to run efficiently. If this mixture is thrown off in any way, it may result in an engine running too lean (not enough air), or too rich (not enough fuel).