Improper engine idling or engine fails to idle
Precautions: General safety (00)
Perform troubleshooting referring to the following points when ECM has detected no DTC and no abnormality has been found in Visual Inspection:K14C and Engine Basic Inspection:K14C.
| Condition | Possible Cause | Action |
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Improper engine idling or engine fails to idle
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Faulty spark plug
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Faulty ignition coil assembly
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Fuel pressure out of specification
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Leaky manifold, throttle body or cylinder head gasket
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Check air intake system.
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Faulty evaporative emission control system
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Faulty fuel injector
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Poor performance of ECT sensor, MAP sensor or MAF sensor
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Faulty electric throttle body assembly
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Faulty APP sensor
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Faulty ECM
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Loose connection or disconnection of vacuum hoses
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Check connection of vacuum hoses.
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Malfunctioning PCV valve
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Engine overheating
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Condition “Engine overheating”
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Low compression
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Faulty generator and/or its circuit
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VVT system out of order
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•VVT actuator: Camshaft and VVT Actuator Inspection:K14C
•Valve timing: Timing Chain and Chain Tensioner Inspection:K14C •OCV oil circuit: Timing Chain Cover Inspection:K14C |
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Faulty oil temperature sensor
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