Question about 1991 Toyota Supra

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Knock sensor location

Where is the knock sensor located on a 1991 supra

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Its should be on the drivers side under the intake mainifold scewd in to the block there should be two.you can also go to google.com and type in TSRM the first one to pop up should be the link to the toyota servise repair manule its by far probly the best one you can find and its free.

Posted on Jan 25, 2009

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It is screwed in the engine block on the right side

Posted on Dec 09, 2008

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SOURCE: knock sensor location

under the intake manifold, if it is turbo there should be two of them. please note that I have seen many of these that set knock sensor codes and the problem was usually in the wiring. wire will ohm ok but the problem is faulty shielding that allows other voltages to leak into the circuit. easiest fix is to buy some shielded microphone wire from radio shack and run a new wire from the sensor to the ecu.

Posted on Dec 20, 2008

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under the intake manifold, if it is turbo there should be two of them. please note that I have seen many of these that set knock sensor codes and the problem was usually in the wiring. wire will ohm ok but the problem is faulty shielding that allows other voltages to leak into the circuit. easiest fix is to buy some shielded microphone wire from radio shack and run a new wire from the sensor to the ecu.

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