For 1990-2009 cars

### Removal Procedure

1. Remove the throttle body. Refer to Throttle Body Assembly Replacement.
2. Remove the spark plugs. Refer to Spark Plug Replacement.
3. Remove the relay holder cover.
4. Remove the fuel pump relay.

### Measurement Procedure

Compression, Check

• | 4 cylinder

| Note: Engine revs at least 300/min.

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

• | Compare the compression values.

| Maximum pressure differential 100 kPa (14.5 psi)

### 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 Spark Plug Replacement.
4. Install the throttle body. Refer to Throttle Body Assembly Replacement.