SOURCE: 2005 Dodge Durango knock sensor problems
I really doubt the knock sensor is the problem, check the connector 1st for water intrusion or oil, if u do replace it then u must torque it to the proper spec into the cooling system jacket of the block or it will set another code.
SOURCE: 97 ford ranger/check eng. light on/P1443 DTC
P1143 Air assist control valve range/performance
Could Be your mass air flow sensor. Start there.
SOURCE: 2003 GMC Sierra Knock sensor and oil pressure??
the knock sensors are located below the intake plenum,or,upper intake manifold as some call it, they screw into the lower intake, the front one is sensor 1, the rear is sensor 2. it is wise to change both if you have some miles.since you are going to be buying a gasket set to do this job.the sensors are cheaper than the gaskets.
SOURCE: Steering knock/pop while turning on 2005' chevy
CHECK RACK AND PINION FOR LOOSE OR MISSING FRAME MOUNTING CLAMP AND GROMMET.THAT WILL CAUSES KNOCK NOISE ON TURNS.
SOURCE: 2005 Toyota Camry - knock sensor
Your sensor went off because it overknocked.
Try using a different type of fuel with a higher octane.
Erase the code and use the better gas. if it comes back then we will worry about replacing it.
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