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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-543 Point B: Height of coil back electromotive force Examples of Abnormal Wave Patterns • Cause of problem • Wave pattern characteristics Example 2 • Cause of problem • Wave pattern characteristics IGNITION COIL AND IGNITION POWER Required Special Tool: CONTRAST WITH STANDARD PROBABLE CAUSE Induced electromotive force does not Malfunction of motor CONTRAST WITH STANDARD PROBABLE CAUSE Coil reverse electromotive force does Short in the coil AKX01608 AB AKX01609 OPEN NORMAL AB |