Fiat Bravo Quiz
Ignition/spark plugs

Remove and install knock sensor

In this manual: Ignition/spark plugs
Dear Reader — 1Engine — 35Engine lubrication — 3Engine cooling — 10Ignition/spark plugs — 14Fuel system — 10Petrol fuel injection — 13Diesel injection system — 13Exhaust system — 7Clutch — 7Transmission / Gearshift / Automatic Transmission — 5Front Axle — 11Rear axle — 4Steering — 9Wheel alignment — 1Brake system — 22Wheels and tyres — 10Body — 34Heating — 6Electrical system — 39Lighting system — 14Instruments — 7Windscreen wiper system — 8Vehicle care / tools — 6Jump Starting / Towing the Vehicle — 3Jacking up the vehicle — 1Fiat Bravo / Brava Maintenance Schedule — 1Maintenance — 38Wiring diagrams — 5
~1min read
010203040502015N·mlb·ft
Tightening torque found on this page

The knock sensor is mounted on the engine block between cylinders 2 and 3. The 2.0-i engine has 2 knock sensors: one is located between cylinders 1 and 2, the other between cylinders 4 and 5. The sensor enables the engine control unit to detect and prevent damaging knock combustion.

Removal
Klopfsensor aus- und einbauen

  • Disconnect the sensor connector. The sensor is located at the rear of the engine block, in the area of the alternator. Unscrew the sensor.

Installation

  • Carefully clean the mating surfaces of the engine block and knock sensor.

  • Tighten the knock sensor to 20 N·m. Note: observe the torque exactly, as it is important for correct sensor function. Keep the threads extremely clean when installing. Do not install additional washers.

  • Connect the cable connector.

Test yourself

A quick Fiat Bravo quiz: every answer comes with an explanation and a link to the manual page.