ALPINE A110 Knock sensor replacement Cost
2017–2023 · Engine, Fuel & Emissions system
Typical range
$257–$511
Parts + labour
Labour hours
1–3h
At a typical garage
Engine management sensors monitor key parameters—knock, coolant temperature, oil pressure and more—so the ECU can protect the engine and optimise performance. A faulty sensor typically triggers a check engine light and may cause the ECU to adopt a conservative safe mode. ALPINE A110 sensor replacement costs $257–$511.
Warning signs you need this repair
- Check engine light with a sensor-specific fault code
- Engine running in a reduced-power or safe mode
- Incorrect dashboard gauge reading (temperature, oil pressure)
- Slightly worse fuel economy or performance
- Engine rattling under load (if knock sensor failed and ignition timing is not being retarded)
Typical parts included
- Knock sensor
What affects the price
- Which sensor has failed (knock and oil pressure sensors differ significantly in labour)
- Accessibility in the engine bay
- OEM vs aftermarket sensor accuracy
Common questions
How much does knock sensor replacement cost on a ALPINE A110?
Knock sensor replacement on a ALPINE A110 (2017–2023) typically costs between $257 and $511 including parts and labour at an independent garage.
What parts are needed for knock sensor replacement on a ALPINE A110?
Common parts for this repair include: Knock sensor.
How long does knock sensor replacement take on a ALPINE A110?
Knock sensor replacement on a ALPINE A110 typically takes 1–3 hours of labour at a garage.
How often does knock sensor replacement need to be done?
For a ALPINE A110, knock sensor replacement is typically needed replaced on failure; most sensors last 80,000–120,000 miles.
Other engine, fuel & emissions system repairs on the ALPINE A110
- ABS hydraulic unit replacement$383–$701
- ABS sensor replacement$158–$289
- ABS system bleeding$126–$231
- AC compressor clutch replacement$315–$578
- AC compressor replacement$338–$619
Knock sensor replacement cost on similar cars
- CHEVROLET Camaro$198–$363
- BMW 4 Series Coupe$180–$330
- FORD Mustang$198–$363
- HONDA Accord Coupe$180–$330
- AUDI A5$200–$360
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