For 1990-2009 cars

### Removal Procedure

1. Remove the throttle valve module. Refer to 1401335 - Replace Throttle Valve Module .
2. Remove the spark plugs. Refer to 1401340 - Spark Plugs, Remove and Install .
3. Remove the relay holder cover.
4. Remove the fuel pump relay.

Draw relay K3 out of mounting plug.

### Measurement Procedure

Compression, Check

• | 4 cylinder

| Important: Engine revs at least 300/min.

• | Start the engine (approx. 4 seconds).

• | Compare the compression values.

| Maximum pressure differential 100 kPa (1 bar)

### Installation Procedure

1. Install the fuel pump relay.

• | Place into the socket.

• | Ensure the plug contacts are sound.

2. Install the relay carrier cover.
3. Install the spark plugs. Refer to 1401340 - Spark Plugs, Remove and Install .
4. Install the throttle valve module. Refer to 1401335 - Replace Throttle Valve Module .