Fuel Delivery and Air Induction: Service Precautions
SFI SYSTEMPRECAUTION
HINT: Any diagnostic trouble code retained by the ECM will be erased when the battery negative (-) terminal cable is removed from the battery.
Therefore, if necessary, read the diagnostic trouble code(s) before removing the negative (-) terminal cable from the battery.
1. BEFORE WORKING ON FUEL SYSTEM, DISCONNECT NEGATIVE (-) TERMINAL CABLE FROM BATTERY
2. DO NOT SMOKE OR WORK NEAR AN OPEN FLAME WHEN WORKING ON FUEL SYSTEM
3. KEEP GASOLINE AWAY FROM RUBBER OR LEATHER PARTS
4. AIR INDUCTION SYSTEM
a. Separation of the engine oil dipstick, oil filler cap, PCV hose, etc. may cause the engine to run out of tune.
b. Disconnection, looseness or cracks in the parts of the air induction system between the throttle body and cylinder head will cause air suction and cause the engine to run out of tune.
5. Check that there are no fuel leaks after doing maintenance anywhere on the fuel system.
1. Connect a hand-held tester to the DLC3.
2. Turn the ignition switch ON and push the hand-held tester main switch ON.
NOTE: Do not start the engine.
3. Select the ACTIVE TEST mode on the hand-held tester.
4. Please refer to the hand-held tester operator's manual for further details.
5. If you have no hand-held tester, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector.
6. Check that there are no leaks from any part of the fuel system.
7. Turn the ignition switch OFF.
8. Disconnect the hand-held tester from the DLC3.
9. Start the engine.
NOTE: Keep cranking the engine until the air is removed from the fuel line.
10. After the engine starts, check again that there are no fuel leaks.