Q: Engine problems.

asked by on

I replaced the spark plugs, spark plug wires, distributor cap and rotor. I can feel that it has all the power it needs but it doesn't want to give it. If I get on the throttle to much it back fires continually. It also has a rich fuel mixture. I just can't figure it out.
My car has an automatic transmission.

Hello.

From what you describe it would appear likely that the backfiring and performance issues are a result of the fuel problem. A rich fuel mixture can be caused by a wide variety of issues. A few things I would look into are the fuel pressure regulator, the fuel pump, and the injectors. If the Check Engine Light is on, I would also retrieve the trouble codes, as a sensor issue can also cause the engine to run rich. As engine performance issues can sometimes be difficult to diagnose, I would recommend having the vehicle diagnosed by a professional technician, such as one from YourMechanic, to diagnose the loss of power with your car.

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. Engine problems.

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: How do I find the tire identification number (TIN)?

The tire identification number (TIN) helps you know what specifications your tires are. This is very important when the time comes to replace your tires. Your TIN is located along the outside of each wheel; however, if it is worn...

Q: I have a 2001 dodge ram 1500 5.9 V8 2 wheel drive. occasionally my truck will lurch or skip a beat. my rpm will go up and down. an

There are no technical bulletins pertaining to this problem. The problem may be due to the ignition system misfiring from an ignition wire or coil short or spark plugs worn. You should have the computer scanned to see if one...

Q: Right front disc brake seizing

It is possible that the newly installed caliper was faulty. It is also possible that the wheel bearing on the right front wheel is completely destroyed and no longer able to rotate. This issue may also cause an ABS or...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...