Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2008CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 85 (PGM-FI SYSTEM (R18A1 ENGINE))OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR REPLACEMENTM/T MODEL
2008 Honda Civic Si, 4D Sedan
M/T model
2008 Honda Civic Si, 4D SedanSECTION M/T model
WARNING: This page is about a different variant/trim than selected.
NOTE:
For A/T model (see
OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR REPLACEMENT
).
- Remove the air cleaner (see AIR CLEANER ELEMENT INSPECTION/REPLACEMENT ).
- Disconnect the output shaft (countershaft) speed sensor 3P connector (A).
- Remove the output shaft (countershaft) speed sensor (B).
- Install the parts in the reverse order of removal with a new O-ring (C).
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.