Q: Misfiring issue. How do I fix this?

asked by on December 29, 2015

Car misfiring.

Engine is misfiring Inspection $79.99 - $89.99 Get a Quote

If the car is misfiring then it will generate a code on the computer. I would have a mechanic pull the codes to determine where the problem is coming from. A misfire can be caused by a bad coil pack, Spark Plug, ignition wire, or even a faulty ECM.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

What others are asking

Truck hesitates to start

Hi there. All of your symptoms are pointing towards a worn timing chain/belt. A loss of power or "lugging" up a steep grade will be your first sign of a worn timing belt. This is also directly connected to your...

Engine shutdown caused by worn out key

Hello. Unfortunately, there is no other way to get these unless you find a BMW certified repair shop. Due to the security concerns with these vehicles it takes a special computer to be able to program new keys to it....

When I press on gas pedal it makes a weird noise til you let off it.

Hi there: If you're hearing a noise while operating your gas pedal, there are a few items that could cause this including a vacuum leak, exhaust system leak or even a problem with the gas pedal or throttle cable itself...

Misfiring Engine

Hi and thanks for your question. When you see white smoke coming from the engine or at the tail pipe, this is water and ethylene glycol mixture burning off. The smoke should smell sweet. If the smoke smells sweet, then...

Misfire caused bad o2 sensor?

As you may know the oxygen sensors which are part of your emissions system read exhaust gases to determine whether or not the appropriate amount of oxygen is present in the exhaust. Based upon this reading, this information is relayed...

When I'm sitting in park my truck makes a loud bang sound

Depending on the sound and the location of the sound, this may be related to a misfire/backfiring problem. Engine backfire is caused by an imbalance in the air/fuel ratio being supplied to the motor and will occur in one of...

1990 Porsche 944, starts well, shuts off after a few minutes

After checking for the proper fuel pressure, have an experienced technician inspect the ignition systems, crankshaft position sensor and distributor pickup coils. A malfunction here will cause a stall, as these devices help the computer determine when to send spark...

Car stutters in park

The damages would need to be looked at to see what is broken before a diagnosis can be given. Keep in mind that if the radiator frame is bent, then a new replacement would not fit, or it could get...

Sudden loss in power

Jumpstarting a car made in this century is always a risky business. Even if you do everything right, the resulting power surge can damage the cars electronics. If you hook the cables up backwards, there is a spark and the...

Related articles

The Best Used Cars to Buy If Your Kid's On the Soccer Team
If If you are a soccer mom (or dad), you know that you need a lot of space to transport your budding World Cup contenders, along with their gear. From time to time, you can also expect to be bringing...
Symptoms of Bad or Failing Spark Plugs
Common signs of faulty spark plugs include slow acceleration, loss of power, poor fuel economy, engine misfires, and difficulty starting the car.
Top Automotive News & Stories: October 1-7
BMW i5 images leak, an ultra-lux Jeep, hydrogen-fueled Colorado ZH2, Fisker's electric future, record plug-in sales, NHTSA Road to Zero, and more.