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How much is labor to replace a knock sensor in a 2001 Yukon XL and where is it located?
The sensor is located under the intake manifold. It takes about 2 and half hours to replace the intake manifold, book time. Knock sensor is about $35 + $60-$90/hr labor. So you are talking about $300.
How can you tell if your knock sensor is bad?
Not much goes wrong with them! if your car is pinging under load this may be a bad knock sensor, but if you tap the block with a small hammer & the idol seems to change or the timing wanders this is the knock sensor failing. if the idol doesn't change this is a bigger issue
How much is the knock sensor on a Nissan Pathfinder?
I bought one off the internet for around $50, but found out it cost about $450 in labor to have it replaced.
How much does a knock sensor cost?
about $120.00
How much money to replace knock sensor on 5.3 silverado?
$300.00
Is a knock sensor the same as a throttling sensor?
No, the knock sensor is not the same as a throttle position sensor. The knock sensor is used to determine if the engine is knocking caused by too much spark advance for the octane rating of the fuel being used. The throttle position sensor tells the engine computer what the position the throttle valve is in to determine gasoline flow .
How much does it cost to replace a knock sensor in an Infiniti Qx4?
1200-1500
How much does it cost to fix a sensor on a cutless supreme 82?
please elaborate a little more. you talking an 02 sensor? a knock sensor? a M.A.P. sensor??
99 gmc 5.3 engine is there a fused circuit for the knock sensor?
the knock sensor is not a fused circuit, it consists of a wire from the sensor to the pcm or ecm, when the motor knocks(misfires), the sensor( a piezo electric device, like the ignitor for a grill)outputs voltage into the pcm, its a closed circuit and not much to it.
Is the knock sensor really needed the car runs fine except for the service engine light stays on?
It really depends upon the car. But the basic function is this: What the knock sensor does is if there is a knock being created by the engine, the knock sensor picks it up, and sends a signal the the computer telling it that there is a knock. The computer then calculates what to do in means of how much fuel should go in or how much air should go in. The right amount of both will get rid of the knock, and the computer will then keep the settings made the same. Without a knock sensor, the check engine light will come on, and the computer won't be able to make the engine function properly. Therefore slowly ruining the engine. Yes, they are expensive, but they are worth it, in the long run.
How many sensor is on a 1991 Toyota Cressida?
There's many sensor, O2 sensors, (Palet type ) Airflow sensor, Throttle body position sensor. Knock sensor and probably much more for brake, speedo and transmission.
Will it improve performance much if you were to replace a bad knock sensor will it shorten your engine life?
a knock sensor will retard or advance ignition spark, improving gas mileage and will not shorten engine life , if any thing it will extend engine life.
