|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-501 TROUBLESHOOTING HINTS (THE MOST • Connector damage. • Harness damage. • Fuel tank differential pressure sensor failed. • ECM failed. . OVERVIEW OF TROUBLESHOOTING • DTC P0450 can be set by a faulty fuel tank differ- ential pressure sensor or related circuit, or ECM • To check for system blockage, do a performance test which uses a mechanical vacuum gauge and DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A • MB992110: Power Plant ECU Check Harness |