Skip the auto shop - Our mechanics make house calls

Q: Having trouble trying to locate my knock sensor. It's throwing a code for it. 1,2,4,5,6 cylinder misfires

asked by on

Having trouble trying to locate my knock sensor. It's throwing a code for it. 1,2,4,5,6 cylinder misfires Could the knock sensor cause the misfires? And where do I locate knock sensor on my type 01 Jetta vr6 2.8L 12V
My car has a manual transmission.

As you may know a knock sensor may fail for any of the following reasons:

  • The knock sensor is faulty and needs to be replaced
  • There is a wiring open/short/fault in the knock sensor circuit
  • The PCM/ECM has failed

Any of the above could potentially cause a misfire. The knock sensor should be located under the intake manifold between cylinders #1 and 2.

If you need assistance with this, consider YourMechanic, as one of our mobile technicians can come to your home to diagnose the misfire firsthand and help you fix it accordingly.

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!
  1. Home
  2. Questions
  3. Having trouble trying to locate my knock sensor. It's throwing a code for it. 1,2,4,5,6 cylinder misfires

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: Shaking, not knocking

If the car is shaking even while in park this suggests that it is related to the engine running poorly and not anything related to the drive train. Depending on the severity of the shaking this may be related to...

Q: Cylinder 1 misfire

Hi there. From the description you have provided, two things come to mind. One, a blown head gasket between cylinders #1 and #3. Two, an intake valve not sealing ie; broken valve spring, burnt valve. Providing spark to the number...

Q: I have a 2002 passat 2.8. I had the fuel pump replaced this morning and refueled and the car wouldn't start. Waited 2 hours and it

If you just replaced the fuel pump and still have stalling or no start issues then replace the fuel pump relay in left side of dash in aux relay box.

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...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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...