Saturn Relay-3 Knock Sensor


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Replaces OE number 12570125; AC DELCO KNOCK SENSOR ASSEMBLY -- A high quality, direct fit OE replacement knock sensor assembly.
  • AC Delco
  • Assembly
Price: $11.05


6 Cyl 3.5L Base
6 Cyl 3.9L Base

If you need to create more energy through your engine, advance the timing of its valves as much as the system permits' Your current SATURN Relay-3 Knock Sensor ensures you won't exceed the engine can allow' It's going to generate electrical current once the valves are overly advance, which in turn, launches audible pinging or knocking sounds' The particular current it generates is monitored by the engine computer' Your engine computer operates to retard the timing of your valves in reaction to the knock sensor alarm, and in old automobiles, a Diagnostic Trouble Code (DTC) is activated'

The SATURN Relay-3 Knock Sensor senses pinging or knocking, which means that you've attained the limit in advancing the valves' Pinging is actually the sound that pressure waves in your cylinder creates if this collides on the cylinder walls or even the piston of your engine' This is a happening that is unique to super-advanced VVT' The sensor easily picks up this occurrence because it is made from Piezoelectric resources or crystals which acts to most impact effects through generating electrical current'

Once your current SATURN Relay-3 Knock Sensor is busted, the engine computer is provided with erroneous details' Don't permit this to happen; look for a efficient substitute from best makes including Beck Arnley, Replacement, and Delphi at Parts Train!




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