Q: Misfire in 1 and 2 cylinder and sensor fouling out

asked by on

I need to know what is causing the misfire I have changed spark plugs and coil packs and the sensor that codes are reading for ran fine for a day and all the same codes come back on changed coil pack again a day and same codes for misfire

My car has 170000 miles.
My car has an automatic transmission.

I would suggest checking other things like crank position sensor, cam sensors since these relay information to the ECM which then tells the ignition coils when to fire. When these are faulty, this will also produce a misfire.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Misfire in 1 and 2 cylinder and sensor fouling out

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: AT oil temp light is flashing (Subaru Forster 2011) after a driving the car for while?

Hi Abdulelah. Thanks for contacting us today. If the oil light has illuminated after the repair, then there are two possible sources. Either the oil temp sensor is not attached correctly or is sending false data, or there is an...

Q: Wrench light - ocasionally engine "dies" momentarily on 1st to 2nd shift - rest normal and acceleration fine.

At first glance I would suggest that the orange wrench warning light and the lack of acceleration are related. In general, the wrench light is a service indicator light, which is designed to alert you that routine service or maintenance...

Q: How do you use the folding rear head restraints?

If your car is equipped with them, folding rear head restraints can be very convenient. This allows them to fold flat for better storage and to ensure that you don’t have to take the head restraints out if you fold...

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...
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...
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...