Skip the auto shop - Our mechanics make house calls

Q: When accelerating I hear a poping noise coming from under the car like where the muffler is at and it hapoens on and off at times

asked by on

When accelerating like on a 4 lane road the car makes the poping noise while I'm accelerating and when I'm in neighborhoods the noise stops and the check engine light is on

My car has 93 miles.
My car has an automatic transmission.

A: I would first check the computer to see wha...

I would first check the computer to see what code is in the computer’s memory and have it diagnosed. You may be having problems with the intake manifold runner control plates sticking in the intake manifold. This can cause the intake to not change from the long runner for power to the short runner for fuel mileage. If this happens it can cause a lean pop in the engine. One other possible problem may be that the mass airflow sensor is contaminated and needs to be cleaned. I’d suggest having a clean paper air filter installed as well.

I’d suggest getting your vehicle checked by a qualified technician, such as one from YourMechanic, who has the tools and experience to properly diagnose your Check Engine Light. The necessary repairs can then be made once the issue has been pinpointed. Good luck.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 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!

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: Truck won't shift out of reverse but the shifter is in park.

Hi there. There are two different things that could be happening. Either the shifter cable is broken and came off the shifter linkage on the transmission or the transmission rod inside the transmission pan that connects to the main valve...

Q: I'm not sure what is wrong with the car and I don't want to pay a ridiculous amount for a diagnostic check.

Hello. You can try taking your car to a local auto parts store and have them plug into the scanner to see why the Check Engine Light is coming on. It may give you an idea if what is wrong,...

Q: Where could I find a TSB for my 2005 mustang GT regarding my Throttle body or Throttle Position Sensor?

I went through all the technical bulletins and recalls and did not find anything for reprogramming your computer or repairs to the TPS or throttle body. The ones that you are not finding may not be the right ones. I...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.