Standard Ignition Ignition Knock (Detonation) Sensor P/N:KS247
Standard Motor Products
Standard Ignition KS95 sensor for the 1988-1991 Toyota 4Runner V6 3.0L and other vehicles detects engine knock and reports it to the engine computer. The computer uses that signal to adjust ignition timing.
A failing sensor can show up as a check engine light, pinging under load or a drop in power, though those signs can come from other parts too. Before replacing it, look over the connector, the wiring and the sensor body for cracks, corrosion or damage, with the engine off and cool.
The vehicles it fits include the 1988-1991 Toyota 4Runner V6 3.0L and the 1991 Toyota MR2 4-cylinder 2.0L, and it is also a sensor for the 1988-1991 Toyota Celica 4-cylinder 2.0L. This listing is one sensor; the number needed varies by vehicle, and the 1988-1991 Toyota 4Runner V6 3.0L takes one.
Fit and size
Build and materials
One sensor. Mounting hardware is not included, so plan on new hardware rather than reusing the old.
Interchange: S8646 · SU6698 · DKS541 · 8961520010 · 8961520020 · 8961522020
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Is this sensor the right fit for the 1991 Toyota MR2 4-cylinder 2.0L?
Yes. Standard Ignition KS95 fits the 1991 Toyota MR2 4-cylinder 2.0L, which takes one sensor.
Are these Toyota 4Runner sensors made for the 1988-1991 model years with the V6 3.0L?
Yes. Standard Ignition KS95 fits the 1988-1991 Toyota 4Runner V6 3.0L, which takes one. For any other car, look up its year and engine in the "Vehicles it fits" section on this page.
Does the Standard Ignition KS95 sensor come with a mounting screw?
No. This sensor attaches with a screw, but mounting hardware is not included, so plan on new hardware rather than reusing the old.
What kind of electrical connection does this sensor have?
This sensor has one male blade terminal and a plug-in connector.
How is the KS95 sensor tested?
Every unit gets environmental, endurance and end-of-line testing for timing, pulse width and signal amplitude, plus accelerometer-based vibration testing.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.