Ignition Knock (Detonation) Sensor

Part Number: P31E18921
Supersession(s): P31E-18-921; P32E-18-921; P32E18921

Knock. Sensor. KNO. Ignition (Detonation).
Ignition Knock (Detonation) Sensor.

Ignition Knock (Detonation) Sensor

Fits 3, 6, CX-3, CX-30, CX-5, CX-50, CX-9, CX-90, MX-5 Miata

2.5 LITER. 2.5 LITER NON TURBO. 2.5 LITER TURBO. 2019-24. 3.3 LITER. CX-3. CX-30. CX-5; 2.5L. CX-50. CX-9. Mazda3. Mazda6. MX-5 Miata. W/2.5 LITER TURBO. W/O 2.5 LITER TURBO.
Knock Sensor - Repair or Replace
A failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your 2017 Mazda 3 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.

1 person has looked at this part recently
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#16
Required: 1
Knock sensor.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#19
2. 5 liter non turbo. ALL. Denso. Mitsubishi.
2.5 LITER NON TURBO.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#10
2. 5 liter non turbo. W/CYLINDER deactivation. W/O cylinder deactivation.
2.5 LITER NON TURBO.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#10
2. 5 liter turbo.
2.5 LITER TURBO.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#14
Required: 1
2019-24. Lower. Upper.
2019-24. Knock sensor.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#8
Required: 1
Denso. Japan built. Mexico built. Mitsubishi. W/CYL deactivation. W/O cyl deactivation. W/O turbo. W/TURBO.
Knock sensor.
Diagram IGNITION SYSTEM. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#15
2. 5 liter turbo.
2.5 LITER TURBO.
Diagram Ignition system. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#13
ALL. Denso. Mitsubishi. W/CYL deactivation. W/O 2. 5 liter turbo. W/O cyl deactivation.
W/O 2.5 LITER TURBO.
Diagram Ignition system. for your 2017 Mazda 3 2.5L SKYACTIV M/T Grand Touring Sedan
#9
W/2. 5 liter turbo.
W/2.5 LITER TURBO.

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