19A Fuel Supply & Return System

1. Connect a suitable pressure gauge and adapter in fuel supply hose at throttle body.
2. Start engine and note fuel pressure reading.
3. If fuel pressure is 34 to 38 psi., proceed to Test 20.
4. If fuel pressure is below 34 psi., note reading and proceed to Test 19 step B.
5. If fuel pressure is above 38 psi., proceed to Test 19 step D.