Can bad spark plugs cause a knock sensor code?

Can bad spark plugs cause a knock sensor code?

Can bad spark plugs cause knock sensor code? Yes, if your plugs were fouled out which causes a missfire is throws the timing off. When timing is thrown off it throws knock code. Knock code sensos vibrations and if it sensos vibrations (missfiring) it retards the the timing causing a knock code.

What happens if I don’t change knock sensor?

If the knock sensor is not working then the engine could start pinging without the computer being able to detect it. If the knock sensor is bad through testing then if it is not replaced the engine may have reduced power, loss of fuel mileage, and hesitations.

Is there a fault code 52 on Toyota knock sensor?

So after knock sensor replacement and manifold repair there is still a check engine light, fault code 52, and low power on acceleration? If that is the case, then like @ok4450 suggested perhaps a second opinion to the cause of the “knock” is in order.

What happens when the knock sensor fails on a Toyota 4Runner?

As sound travels in waves, the output produced by the knock sensor is an AC signal. If and when the knock sensor fails, not only does it trigger the 52 code and turn on the check engine light, your 4Runner will suffer bad gas mileage, lower power, and hesitation during acceleration.

Why is there no power on the knock sensor?

“It appears that the knock sensor operation is at least partly the cause for the lack of power and check engine light you’re experiencing. However we also noted a broken exhaust manifold which can cause both engine noise and lack of power.

Why does my Toyota Chassie have a knock sensor?

We have a 1990 Toyota RV but it is on the typcial Toyota Pickup chassie. We took it in to the Toyota dealer because we had a check engine light on and we had a significant loss of power going up hills. We were told that it was a knock sensor (computer error code 52) and that it needed to be replaced.