Q: Hesitation when the 1999 Honda Civic Sedan goes downhill

asked by on

I have a 1999 Honda Civic Sedan. Just recently I noticed the car starts to hesitate when it goes downhill, while I'm pressing the gas. There's no throttle spins when the hill begins to smoothes out. What could it be?

Going downhill? That’s interesting for this. Normally, they get problems when you are going uphill. If it’s hesitating going downhill and it’s not doing it when it goes uphill, unfortunately on that, if you have automatic transmission, it can be a sigh of automatic transmission going out.

Because normally, you have throttle problem going uphill. That means that either the fuel pump is weak, the fuel injectors are not working. But going downhill there is less strain on the engine, and the only thing that I’ve ever really seen that did that, was the transmission going out.

Or, say if your fuel pump has a problem in the gas tank with the feed, and the rubber was rotting, and the gas starts to slash when you go downhill, it could be problem with the fuel pump. You might have that checked out too. Because the fuel pumps and when you move it, the gas slouches into one end or the other and if your pump system has a problem and it doesn’t pick up right, it can do that. It can go one way or another or even on the left angle or the right angle.

A professional mechanic will be able to inspect your car’s hesitation if you need assistance getting this repaired.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Hesitation when the 1999 Honda Civic Sedan goes downhill

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I need to get the front splash guard off. It is destroyed and dragging on the ground. Can I do it without jacking it up? 1998 Honda Accord

Hi there, sounds like this may require you to at least jack up that side of the car to gain enough access to remove this. Be sure to set the parking brake, block the wheels, and leave the transmission in...

Q: Evaporating coolant

There are two things you might want to ask yourself. First, are you using a 50/50 percent ratio of coolant to distilled water? If not, this could cause the coolant to evaporate when it gets above 170 degrees. This is...

Q: How do you delete a voice tag from the HandsFreeLink system?

Voice tags let you use audio commands to activate the HandsFreeLink® (HFL) system in your car and make calls without using the phone. However, there may be a need to delete a voice tag. Maybe you’re removing the tag because...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.