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Old 01-17-2009, 07:23 AM   #1
btwilson86
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Default Testing a Knock Sensor

Hi, I have an 87 NA and an 88 NA, both of which have the Knock Sensor Engine Code. On both cars the wiring is still intact, meaning from plug to ECU pin I have continuity. So I am wondering if anyone knows how to bench test a Knock Sensor to see if it's faulty.

Any ideas or links would be appreciated.
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Old 01-17-2009, 07:28 AM   #2
jrok
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Default in the car

at 2000 rpm hit the intake the timing should change or to bench test when you strike it it should produce some electricty but very small....problem usually in the wiring, check wire to ground, the outside of the wire should be grounded.
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1984 celica supra with 7mgte swap, custom intercooler, 2.5 exhaust no muffler or cat, shimmed wastegate to 12 lbs boost, with r154 turbo 5-speed tranny 16x8 xxr s13's with 245/50R16 toyo proxes 4's
.http://au.youtube.com/watch?v=rgOxP0PxCwo
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.http://au.youtube.com/watch?v=J15k1rCh7-A
1988 4runner stock
.http://au.youtube.com/watch?v=2u7e1_pMqfs
.http://au.youtube.com/watch?v=9lu4j5P6M7M
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