Knock Sensor
04-30-2009, 01:27 PM
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Knock Sensor
Will a bad knock sensor cause a 95 4Runner 6cyl to lose power?
The check engine light came on in my 95 4Runner and I took it in to see what was wrong and it was the knock sensor. Ever since it came on, the truck has not had any power. When I first start driving down the road, the light will come on and I will notice a loss of power.
How much should it cost to have it replaced?
The check engine light came on in my 95 4Runner and I took it in to see what was wrong and it was the knock sensor. Ever since it came on, the truck has not had any power. When I first start driving down the road, the light will come on and I will notice a loss of power.
How much should it cost to have it replaced?
05-02-2009, 10:21 PM
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yes, it will cause the rig to lose a ton of power. when the sensor detects knocks it will retard the timing until the knocks are no longer detected. aka massive loss of power. it is a huge part of the ECM's setup for controlling teh timing.
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