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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-743 (2) Connect an evaporative emission system pressure pump to the leveling valve nipple. (3) Plug the filler hose, feed pipe, return pipe and rollover valve nipple connected to the fuel tank. (4) Apply pressure with the evaporative emission system pressure pump. (5) In the pressurized state, check for the leak by applying soap water, etc. to each section. Q: Are there any leaks? There are leaks at the fuel pump module or the fuel tank the leaked parts, check again that there are no leaks. .) Then go to Step 26. There are leaks at the fuel tank. : Replace the fuel tank, reinstall the fuel tank. (Refer to GROUP 13C, Fuel There are no leaks. : Then go to Step 15. STEP 15. Visually check for cracks in the fuel tank filler YES : Reinstall the fuel tank and fuel filler neck assembly. (Refer to GROUP 13C, Fuel Tank .) Then go to Step 26. NO : Replace the fuel tank filler neck assembly and reinstall the fuel tank. (Refer to GROUP 13C, Fuel AC000197 AC000198 |