Skip the auto shop - Our mechanics make house calls

Q: My engine management light is flickering on when I accelerate and the car is jerking

asked by on

Every time I accelerate my engine management light flickers on the dash and the car is jerking. Car has recently had a full service and didn't solve this.

My car has 103967 miles.
My car has an automatic transmission.

Hey there. This may be an indication of a failing or dirty mass air flow sensor. This is a unit that monitors air intake as it is mixed with fuel prior to being injected into the engine. When this is dirty or not working properly, this can cause an imbalanced air/fuel mixture to be injected into the engine causing this kind of surge you have described. To verify the problem, consider YourMechanic, as a certified technician can come to your home or office to inspect the jerking problem and follow through with any needed repairs.

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!
  • Home
  • Questions
  • My engine management light is flickering on when I accelerate and the car is jerking

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: Engine sounding louder.

Increases in engine noise are usually caused by exhaust leaks. Older vehicles, such as your Mazda, can develop exhaust leaks over time and develop a growing noise. If your car is driving normally but giving out an overall louder noise...

Q: How often are you suppose to replace a new throttle sensor ?

The throttle position sensor (TPS) is only replaced if it tests bad. So there is no fixed replacement interval or "lifetime" for that part. They do occasionally fail though, in which case the Check Engine Light will illuminate with specific...

Q: I would like to know what parts I need to replace VVT ECCENTRIC SHAFT SENSOR and Valve cover

Although we would need to confirm using your VIN number, the required valve cover in your application appears to be part #: BMW-11127552281. The required BMW Eccentric Shaft Sensor (Valvetronic) is part #: VDO-S119565001Z. These OEM parts can be installed...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
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...