Mazda RX8 - No.5 Engine Stalls-After Start;At Idle

NO.5 ENGINE STALLS-AFTER START/AT IDLE
5
ENGINE STALLSAFTER START/AT IDLE
DESCRIPTION
• Engine stops unexpectedly.
POSSIBLE
CAUSE
• No battery power supply to PCM or poor GND
• Vacuum leakage
• Air leakage from intake-air system parts
• Air suction at intake-air system (between MAF sensor and intake ports)
• Air cleaner restriction
• Improper operation of drive-by-wire control system
• Throttle body malfunction (stuck closed)
• Poor fuel pressure
• Inadequate fuel pressure
• Pressure regulator malfunction (integrated in fuel pump unit)
• Fuel pump body mechanical malfunction
• Fuel pump resister malfunction (open)
• Fuel leakage from fuel injector
• Fuel injector (FP1) (RP1) clogging
• Jet air mixing system malfunction (restriction or leakage at air passage)
• Open or short circuit in fuel pump body and related wiring harness
• Restriction in exhaust system
• Purge solenoid valve malfunction (stuck open)
• Improper air/fuel ratio control (abnormal signal from ECT sensor to PCM)
• MAF sensor improper installation
• No signal from eccentric shaft position sensor due to sensor, related wire or wrong
installation
• Electrical connector disconnected
• Low engine compression
! Engine internal malfunction
! Abnormal engine oil condition (viscosity, deterioration)
! Low oil pressure
! Excessive fuel pressure
! Air mixed in oil line
! Metering oil pump malfunction
• Leakage or clogging in oil pipe
• Leakage or clogging in oil nozzle
• A/C system operation is improper
• Engine overheating
• Abnormal engine oil condition (viscosity, amount, deterioration)
• Spark leakage from high-tension leads
• Ignition coil malfunction
• Immobilizer system and/or circuit malfunction
(w) RX8-Engine Troubleshooting
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