Flow of Diagnosis

IMPORTANT
1. Release the fuel pressure before disconnecting a fuel line.
I Start the engine.




II Remove the fuel pump relay.
III After the engine stalls, turn the ignition switch to OFF.
IV Install the fuel pump relay.

2. Avoid leakage when disconnecting a fuel line hose, wrap a rag around it to protect against fuel leakage. Always plug the hose after removal.




3. Install hose clamps to secure the fuel pressure gauge to the fuel filter and the main hose.