4.3L, behind engine, on top,
knock sensor
knock sensor
Need to know what engine it has.
The function of the knock sensor ob a sensor on a 1991 4.3 s10 is to provide the computer the position of the crank shaft to give it the right information to get correct timing. That would be the crank position sensor. The knock sensor monitors the engine for spark knock (ping) so the ECM (Engine Control Module) can retard the timing to eliminate it.
4.3L, on back of engine, on top, drivers side.
We will need to know which engine it has to answer that.
the knock sensor is located on the lower passenger side of the block,right in front and slightly above the starter!
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Need to know which engine you have in that 2002 S10.
Front of engine, passenger side, just behind the vibration damper, best accessed from underneath.
Back of the block, drivers side, close to the head
left side back of engine by dist.