HOLSTEIN 2KNC0271 left ignition knock (detonation) sensor for the 2001-2005 Jaguar X-Type V6 2.5L, the 2001-2008 X-Type V6 3.0L and other vehicles senses engine knock and sends the signal to the engine computer.
A failing knock sensor can show up as a check engine light or engine pinging under load. Wiring faults can look similar, so with the engine off and cool, look over the sensor connector and wiring for cracks, corrosion or damage before replacing the sensor. If the sensor is the cause, this one replaces it.
Besides the X-Type, it fits the 2003-2006 Jaguar XK8 V8 4.2L and the 2003-2006 Jaguar XKR V8 4.2L. This listing is one left-side sensor, and the quantity varies by vehicle; the 2003-2006 Jaguar XK8 V8 4.2L takes two. The right side is ordered separately. If your Jaguar is not named here, look up your year and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
One ignition knock (detonation) sensor. Mounting hardware is not included, and the old hardware may not be reusable, so plan on new pieces.
Interchange: 5S5619 · S8905 · SU7012 · 1812954 · AJ85676 · 1KS1077 · 73014 · ID0268 · KS305
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Does the HOLSTEIN 2KNC0271 left knock sensor fit the 2001-2005 Jaguar X-Type V6 2.5L?
Yes. HOLSTEIN 2KNC0271 fits the 2001-2005 Jaguar X-Type V6 2.5L and the 2001-2008 X-Type V6 3.0L. Other Jaguars are covered in the "Vehicles it fits" section.
Are mounting bolts included with the 2KNC0271 knock sensor?
No. Mounting hardware is not included; the box holds one sensor. Plan on new hardware rather than reusing the old pieces.
What connector does the 2KNC0271 knock sensor have?
HOLSTEIN 2KNC0271 has one oval female connector with two male blade terminals.
What are the signs of a failing left knock sensor like the HOLSTEIN 2KNC0271?
A check engine light or engine pinging can be signs of a failing knock sensor. A shop can test the sensor signal with the engine running.
Does the HOLSTEIN 2KNC0271 replace number AJ85676?
Yes. AJ85676 is listed as an interchange number for this sensor on the Interchange line, along with several other brands' numbers.
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